{"id":532279,"date":"2026-03-21T09:04:08","date_gmt":"2026-03-21T02:04:08","guid":{"rendered":"https:\/\/hoanghamobile.com\/tin-tuc\/?p=532279"},"modified":"2026-04-17T21:16:11","modified_gmt":"2026-04-17T14:16:11","slug":"tinh-khu-la-gi","status":"publish","type":"post","link":"https:\/\/hoanghamobile.com\/tin-tuc\/tinh-khu-la-gi\/","title":{"rendered":"T\u00ednh Kh\u1eed L\u00e0 G\u00ec? To\u00e0n T\u1eadp Ki\u1ebfn Th\u1ee9c V\u1ec1 T\u00ednh Kh\u1eed v\u00e0 Oxi H\u00f3a Trong H\u00f3a H\u1ecdc"},"content":{"rendered":"<p style=\"text-align: justify;\"><b>T\u00ednh kh\u1eed l\u00e0 g\u00ec?<\/b><span style=\"font-weight: 400;\"> T\u00ednh kh\u1eed l\u00e0 kh\u1ea3 n\u0103ng c\u1ee7a m\u1ed9t ch\u1ea5t nh\u01b0\u1eddng electron cho ch\u1ea5t kh\u00e1c trong ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc, khi\u1ebfn s\u1ed1 oxi h\u00f3a c\u1ee7a n\u00f3 t\u0103ng l\u00ean. \u0110\u00e2y l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t trong c\u00e1c ph\u1ea3n \u1ee9ng oxi h\u00f3a \u2013 kh\u1eed, quy\u1ebft \u0111\u1ecbnh vai tr\u00f2 ch\u1ea5t kh\u1eed hay ch\u1ea5t oxi h\u00f3a trong qu\u00e1 tr\u00ecnh chuy\u1ec3n h\u00f3a ch\u1ea5t.<\/span><\/p>\n<h2 style=\"text-align: justify;\"><b>T\u00ednh kh\u1eed v\u00e0 oxi h\u00f3a l\u00e0 g\u00ec?<\/b><\/h2>\n<p style=\"text-align: justify;\"><b>T\u00ednh kh\u1eed l\u00e0 kh\u1ea3 n\u0103ng nh\u01b0\u1eddng electron; ng\u01b0\u1ee3c l\u1ea1i, t\u00ednh oxi h\u00f3a l\u00e0 kh\u1ea3 n\u0103ng nh\u1eadn electron trong ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc.<\/b><span style=\"font-weight: 400;\"> Hai kh\u00e1i ni\u1ec7m n\u00e0y lu\u00f4n song h\u00e0nh v\u00e0 b\u1ed5 tr\u1ee3 nhau t\u1ea1o th\u00e0nh n\u1ec1n t\u1ea3ng c\u1ee7a c\u00e1c ph\u1ea3n \u1ee9ng oxi h\u00f3a \u2013 kh\u1eed.<\/span><\/p>\n<h3 style=\"text-align: justify;\"><b>T\u00ednh kh\u1eed l\u00e0 g\u00ec trong h\u00f3a h\u1ecdc?<\/b><\/h3>\n<p style=\"text-align: justify;\"><b>T\u00ednh kh\u1eed<\/b><span style=\"font-weight: 400;\"> l\u00e0 kh\u1ea3 n\u0103ng c\u1ee7a m\u1ed9t nguy\u00ean t\u1eed, ph\u00e2n t\u1eed ho\u1eb7c ion <\/span><b>nh\u01b0\u1eddng electron<\/b><span style=\"font-weight: 400;\"> cho ch\u1ea5t kh\u00e1c trong qu\u00e1 tr\u00ecnh ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc. Khi m\u1ed9t ch\u1ea5t th\u1ec3 hi\u1ec7n t\u00ednh kh\u1eed, n\u00f3 \u0111\u00f3ng vai tr\u00f2 l\u00e0 <\/span><b>ch\u1ea5t kh\u1eed<\/b><span style=\"font-weight: 400;\">. Trong qu\u00e1 tr\u00ecnh n\u00e0y, ch\u1ea5t kh\u1eed b\u1ecb <\/span><b>oxi h\u00f3a<\/b><span style=\"font-weight: 400;\"> (m\u1ea5t electron) v\u00e0 s\u1ed1 oxi h\u00f3a c\u1ee7a n\u00f3 <\/span><b>t\u0103ng l\u00ean<\/b><span style=\"font-weight: 400;\">. Qu\u00e1 tr\u00ecnh n\u00e0y l\u00e0 m\u1ed9t n\u1eeda c\u1ee7a ph\u1ea3n \u1ee9ng oxi h\u00f3a \u2013 kh\u1eed (redox), n\u01a1i m\u00e0 lu\u00f4n t\u1ed3n t\u1ea1i \u0111\u1ed3ng th\u1eddi s\u1ef1 m\u1ea5t v\u00e0 nh\u1eadn electron.<\/span><\/p>\n<p style=\"text-align: justify;\"><i><span style=\"font-weight: 400;\">V\u00ed d\u1ee5:<\/span><\/i><span style=\"font-weight: 400;\"> Khi kim lo\u1ea1i s\u1eaft (Fe) t\u00e1c d\u1ee5ng v\u1edbi kh\u00ed clo (Cl<\/span><span style=\"font-weight: 400;\">2<\/span><span style=\"font-weight: 400;\">):<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><span style=\"font-weight: 400;\">Fe + Cl<\/span><span style=\"font-weight: 400;\">2<\/span><span style=\"font-weight: 400;\"> \u2192 FeCl<\/span><span style=\"font-weight: 400;\">2<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><span style=\"font-weight: 400;\">T\u1ea1i \u0111\u00e2y, Fe nh\u01b0\u1eddng 2 electron cho Cl<\/span><span style=\"font-weight: 400;\">2<\/span><span style=\"font-weight: 400;\"> \u2192 Fe th\u1ec3 hi\u1ec7n t\u00ednh kh\u1eed, s\u1ed1 oxi h\u00f3a t\u0103ng t\u1eeb 0 l\u00ean +2.<\/span><\/p>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter size-full wp-image-532457\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/03\/tinh-khu-la-gi-1.jpg\" alt=\"tinh-khu-la-gi-1\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/03\/tinh-khu-la-gi-1.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/03\/tinh-khu-la-gi-1-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/03\/tinh-khu-la-gi-1-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<h3 style=\"text-align: justify;\"><b>T\u00ednh Oxi H\u00f3a l\u00e0 g\u00ec?<\/b><\/h3>\n<p style=\"text-align: justify;\"><b>T\u00ednh oxi h\u00f3a<\/b><span style=\"font-weight: 400;\"> l\u00e0 kh\u1ea3 n\u0103ng c\u1ee7a m\u1ed9t ch\u1ea5t <\/span><b>nh\u1eadn electron<\/b><span style=\"font-weight: 400;\"> t\u1eeb ch\u1ea5t kh\u00e1c trong ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc. Khi m\u1ed9t ch\u1ea5t th\u1ec3 hi\u1ec7n t\u00ednh oxi h\u00f3a, n\u00f3 \u0111\u00f3ng vai tr\u00f2 l\u00e0 <\/span><b>ch\u1ea5t oxi h\u00f3a<\/b><span style=\"font-weight: 400;\">. Trong qu\u00e1 tr\u00ecnh n\u00e0y, ch\u1ea5t oxi h\u00f3a b\u1ecb <\/span><b>kh\u1eed<\/b><span style=\"font-weight: 400;\"> (nh\u1eadn electron) v\u00e0 s\u1ed1 oxi h\u00f3a <\/span><b>gi\u1ea3m<\/b><span style=\"font-weight: 400;\"> xu\u1ed1ng. T\u00ednh oxi h\u00f3a v\u00e0 t\u00ednh kh\u1eed l\u00e0 hai m\u1eb7t \u0111\u1ed1i l\u1eadp, c\u00f9ng v\u1eadn \u0111\u1ed9ng trong m\u1ecdi ph\u1ea3n \u1ee9ng oxi h\u00f3a \u2013 kh\u1eed.<\/span><\/p>\n<p style=\"text-align: justify;\"><i><span style=\"font-weight: 400;\">V\u00ed d\u1ee5:<\/span><\/i><span style=\"font-weight: 400;\"> C\u0169ng trong ph\u1ea3n \u1ee9ng tr\u00ean, Cl<\/span><span style=\"font-weight: 400;\">2<\/span><span style=\"font-weight: 400;\"> nh\u1eadn electron t\u1eeb Fe \u2192 Cl<\/span><span style=\"font-weight: 400;\">2<\/span><span style=\"font-weight: 400;\"> th\u1ec3 hi\u1ec7n t\u00ednh oxi h\u00f3a, s\u1ed1 oxi h\u00f3a gi\u1ea3m t\u1eeb 0 xu\u1ed1ng -1.<\/span><\/p>\n<p style=\"text-align: justify;\"><b>Ph\u00e2n bi\u1ec7t:<\/b><span style=\"font-weight: 400;\"> T\u00ednh kh\u1eed li\u00ean quan \u0111\u1ebfn s\u1ef1 <\/span><span style=\"font-weight: 400;\">m\u1ea5t e<\/span><span style=\"font-weight: 400;\"> (nh\u01b0\u1eddng), c\u00f2n t\u00ednh oxi h\u00f3a l\u00e0 <\/span><span style=\"font-weight: 400;\">nh\u1eadn e<\/span><span style=\"font-weight: 400;\">. \u0110\u00e2y l\u00e0 nguy\u00ean t\u1eafc c\u0103n b\u1ea3n \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh vai tr\u00f2 c\u00e1c ch\u1ea5t trong c\u00e1c ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc.<\/span><\/p>\n<h2 style=\"text-align: justify;\"><b>Ph\u00e2n bi\u1ec7t ch\u1ea5t kh\u1eed v\u00e0 ch\u1ea5t oxi h\u00f3a<\/b><\/h2>\n<p style=\"text-align: justify;\"><b>T\u00ednh kh\u1eed l\u00e0 g\u00ec? Ch\u1ea5t kh\u1eed l\u00e0 g\u00ec? Ch\u1ea5t kh\u1eed l\u00e0 ch\u1ea5t c\u00f3 kh\u1ea3 n\u0103ng nh\u01b0\u1eddng electron (th\u1ec3 hi\u1ec7n t\u00ednh kh\u1eed); ch\u1ea5t oxi h\u00f3a l\u00e0 ch\u1ea5t nh\u1eadn electron (th\u1ec3 hi\u1ec7n t\u00ednh oxi h\u00f3a).<\/b><span style=\"font-weight: 400;\"> \u0110\u1ec3 hi\u1ec3u \u0111\u00fang vai tr\u00f2 c\u1ee7a t\u1eebng ch\u1ea5t trong ph\u1ea3n \u1ee9ng, c\u1ea7n n\u1eafm r\u00f5 m\u1ed1i li\u00ean h\u1ec7 n\u00e0y.<\/span><\/p>\n<h3 style=\"text-align: justify;\"><b>Ch\u1ea5t kh\u1eed l\u00e0 g\u00ec? Ch\u1ea5t kh\u1eed th\u1ec3 hi\u1ec7n t\u00ednh g\u00ec?<\/b><\/h3>\n<p style=\"text-align: justify;\"><b>Ch\u1ea5t kh\u1eed<\/b><span style=\"font-weight: 400;\"> l\u00e0 ch\u1ea5t c\u00f3 kh\u1ea3 n\u0103ng <\/span><b>nh\u01b0\u1eddng electron<\/b><span style=\"font-weight: 400;\"> cho ch\u1ea5t kh\u00e1c, th\u1ec3 hi\u1ec7n t\u00ednh kh\u1eed. Khi tham gia ph\u1ea3n \u1ee9ng oxi h\u00f3a \u2013 kh\u1eed, ch\u1ea5t kh\u1eed b\u1ecb <\/span><b>oxi h\u00f3a<\/b><span style=\"font-weight: 400;\"> (m\u1ea5t electron), s\u1ed1 oxi h\u00f3a c\u1ee7a n\u00f3 <\/span><b>t\u0103ng l\u00ean<\/b><span style=\"font-weight: 400;\">.<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Ch\u1ea5t kh\u1eed <\/span><span style=\"font-weight: 400;\">ch\u1ec9 c\u00f3 th\u1ec3 l\u00e0 ch\u1ea5t c\u00f3 t\u00ednh kh\u1eed<\/span><span style=\"font-weight: 400;\">, kh\u00f4ng ph\u1ea3i ch\u1ea5t oxi h\u00f3a.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Ch\u1ea5t kh\u1eed th\u01b0\u1eddng l\u00e0 c\u00e1c nguy\u00ean t\u1ed1 kim lo\u1ea1i (Fe, Zn, Mg&#8230;), kh\u00ed H<\/span><span style=\"font-weight: 400;\">2<\/span><span style=\"font-weight: 400;\">, ho\u1eb7c m\u1ed9t s\u1ed1 h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">T\u00ednh kh\u1eed c\u00e0ng m\u1ea1nh, ch\u1ea5t c\u00e0ng d\u1ec5 nh\u01b0\u1eddng electron.<\/span><\/li>\n<\/ul>\n<p><img decoding=\"async\" class=\"aligncenter size-full wp-image-532456\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/03\/tinh-khu-la-gi-2.jpg\" alt=\"tinh-khu-la-gi-2\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/03\/tinh-khu-la-gi-2.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/03\/tinh-khu-la-gi-2-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/03\/tinh-khu-la-gi-2-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<h3 style=\"text-align: justify;\"><b>Ch\u1ea5t oxi h\u00f3a l\u00e0 g\u00ec? Ch\u1ea5t oxi h\u00f3a th\u1ec3 hi\u1ec7n t\u00ednh g\u00ec?<\/b><\/h3>\n<p style=\"text-align: justify;\"><b>Ch\u1ea5t oxi h\u00f3a<\/b><span style=\"font-weight: 400;\"> l\u00e0 ch\u1ea5t <\/span><b>nh\u1eadn electron<\/b><span style=\"font-weight: 400;\"> t\u1eeb ch\u1ea5t kh\u00e1c, th\u1ec3 hi\u1ec7n t\u00ednh oxi h\u00f3a. Khi tham gia ph\u1ea3n \u1ee9ng oxi h\u00f3a \u2013 kh\u1eed, ch\u1ea5t oxi h\u00f3a b\u1ecb <\/span><b>kh\u1eed<\/b><span style=\"font-weight: 400;\"> (nh\u1eadn electron), s\u1ed1 oxi h\u00f3a c\u1ee7a n\u00f3 <\/span><b>gi\u1ea3m xu\u1ed1ng<\/b><span style=\"font-weight: 400;\">.<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Ch\u1ea5t oxi h\u00f3a <\/span><span style=\"font-weight: 400;\">ch\u1ec9 c\u00f3 th\u1ec3 l\u00e0 ch\u1ea5t c\u00f3 t\u00ednh oxi h\u00f3a<\/span><span style=\"font-weight: 400;\">, kh\u00f4ng ph\u1ea3i ch\u1ea5t kh\u1eed.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Ch\u1ea5t oxi h\u00f3a \u0111i\u1ec3n h\u00ecnh l\u00e0 c\u00e1c phi kim m\u1ea1nh (O<\/span><span style=\"font-weight: 400;\">2<\/span><span style=\"font-weight: 400;\">, Cl<\/span><span style=\"font-weight: 400;\">2<\/span><span style=\"font-weight: 400;\">), h\u1ee3p ch\u1ea5t c\u1ee7a halogen, c\u00e1c ion nh\u01b0 MnO<\/span><span style=\"font-weight: 400;\">4<\/span><span style=\"font-weight: 400;\">&#8211;<\/span><span style=\"font-weight: 400;\">, Cr<\/span><span style=\"font-weight: 400;\">2<\/span><span style=\"font-weight: 400;\">O<\/span><span style=\"font-weight: 400;\">7<\/span><span style=\"font-weight: 400;\">2-<\/span><span style=\"font-weight: 400;\">&#8230;<\/span><\/li>\n<\/ul>\n<h3 style=\"text-align: justify;\"><b>Ph\u00e2n bi\u1ec7t nhanh<\/b><\/h3>\n<table>\n<tbody>\n<tr>\n<td><b>Ti\u00eau ch\u00ed<\/b><\/td>\n<td><b>Ch\u1ea5t kh\u1eed<\/b><\/td>\n<td><b>Ch\u1ea5t oxi h\u00f3a<\/b><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Vai tr\u00f2<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Nh\u01b0\u1eddng e (b\u1ecb oxi h\u00f3a)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Nh\u1eadn e (b\u1ecb kh\u1eed)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">S\u1ed1 oxi h\u00f3a<\/span><\/td>\n<td><span style=\"font-weight: 400;\">T\u0103ng l\u00ean<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Gi\u1ea3m xu\u1ed1ng<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">\u0110\u1eb7c tr\u01b0ng<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Kim lo\u1ea1i, H<\/span><span style=\"font-weight: 400;\">2<\/span><span style=\"font-weight: 400;\">, SO<\/span><span style=\"font-weight: 400;\">2<\/span><span style=\"font-weight: 400;\">, &#8230;<\/span><\/td>\n<td><span style=\"font-weight: 400;\">O<\/span><span style=\"font-weight: 400;\">2<\/span><span style=\"font-weight: 400;\">, Cl<\/span><span style=\"font-weight: 400;\">2<\/span><span style=\"font-weight: 400;\">, HNO<\/span><span style=\"font-weight: 400;\">3<\/span><span style=\"font-weight: 400;\">, &#8230;<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 style=\"text-align: justify;\"><b>\u0110\u1eb7c \u0111i\u1ec3m v\u00e0 v\u00ed d\u1ee5 v\u1ec1 t\u00ednh kh\u1eed v\u00e0 oxi h\u00f3a<\/b><\/h2>\n<p style=\"text-align: justify;\"><b>T\u00ednh kh\u1eed l\u00e0 g\u00ec? T\u00ednh kh\u1eed v\u00e0 t\u00ednh oxi h\u00f3a \u0111\u01b0\u1ee3c th\u1ec3 hi\u1ec7n r\u00f5 r\u00e0ng qua c\u00e1c v\u00ed d\u1ee5 v\u1ec1 kim lo\u1ea1i, phi kim, h\u1ee3p ch\u1ea5t trong \u0111\u1eddi s\u1ed1ng v\u00e0 c\u00f4ng nghi\u1ec7p.<\/b><span style=\"font-weight: 400;\"> D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m n\u1ed5i b\u1eadt c\u00f9ng v\u00ed d\u1ee5 minh h\u1ecda d\u1ec5 hi\u1ec3u.<\/span><\/p>\n<h3 style=\"text-align: justify;\"><b>T\u00ednh kh\u1eed c\u1ee7a kim lo\u1ea1i l\u00e0 g\u00ec?<\/b><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Kim lo\u1ea1i th\u01b0\u1eddng c\u00f3 <\/span><b>t\u00ednh kh\u1eed m\u1ea1nh<\/b><span style=\"font-weight: 400;\"> do d\u1ec5 nh\u01b0\u1eddng electron. V\u00ed d\u1ee5: Natri (Na), Kali (K), Magie (Mg) r\u1ea5t d\u1ec5 b\u1ecb oxi h\u00f3a, d\u00f9ng l\u00e0m ch\u1ea5t kh\u1eed trong nhi\u1ec1u ph\u1ea3n \u1ee9ng.<\/span><\/p>\n<h3 style=\"text-align: justify;\"><b>T\u00ednh kh\u1eed c\u1ee7a phi kim, halogen v\u00e0 m\u1ed9t s\u1ed1 h\u1ee3p ch\u1ea5t<\/b><\/h3>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><b>Phi kim:<\/b><span style=\"font-weight: 400;\"> \u0110a s\u1ed1 phi kim (tr\u1eeb H, C) c\u00f3 t\u00ednh oxi h\u00f3a m\u1ea1nh, t\u00ednh kh\u1eed y\u1ebfu ho\u1eb7c kh\u00f4ng \u0111\u00e1ng k\u1ec3.<\/span><\/li>\n<li style=\"font-weight: 400;\"><b>Halogen:<\/b><span style=\"font-weight: 400;\"> T\u00ednh oxi h\u00f3a r\u1ea5t m\u1ea1nh (Cl<\/span><span style=\"font-weight: 400;\">2<\/span><span style=\"font-weight: 400;\">, F<\/span><span style=\"font-weight: 400;\">2<\/span><span style=\"font-weight: 400;\">), t\u00ednh kh\u1eed y\u1ebfu.<\/span><\/li>\n<li style=\"font-weight: 400;\"><b>C\u00e1c h\u1ee3p ch\u1ea5t:<\/b><span style=\"font-weight: 400;\"> M\u1ed9t s\u1ed1 h\u1ee3p ch\u1ea5t nh\u01b0 H<\/span><span style=\"font-weight: 400;\">2<\/span><span style=\"font-weight: 400;\">S, SO<\/span><span style=\"font-weight: 400;\">2<\/span><span style=\"font-weight: 400;\"> c\u0169ng c\u00f3 t\u00ednh kh\u1eed do c\u00f3 th\u1ec3 nh\u01b0\u1eddng electron.<\/span><\/li>\n<\/ul>\n<p><img decoding=\"async\" class=\"aligncenter size-full wp-image-532455\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/03\/tinh-khu-la-gi-3.jpg\" alt=\"tinh-khu-la-gi-3\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/03\/tinh-khu-la-gi-3.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/03\/tinh-khu-la-gi-3-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/03\/tinh-khu-la-gi-3-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<h3 style=\"text-align: justify;\"><b>M\u1ed9t s\u1ed1 v\u00ed d\u1ee5 c\u1ee5 th\u1ec3 v\u1ec1 t\u00ednh kh\u1eed<\/b><\/h3>\n<table>\n<tbody>\n<tr>\n<td><b>Ch\u1ea5t<\/b><\/td>\n<td><b>T\u00ednh kh\u1eed\/oxi h\u00f3a<\/b><\/td>\n<td><b>V\u00ed d\u1ee5 ph\u1ea3n \u1ee9ng<\/b><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Fe (S\u1eaft)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">T\u00ednh kh\u1eed<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Fe + CuSO<\/span><span style=\"font-weight: 400;\">4<\/span><span style=\"font-weight: 400;\"> \u2192 FeSO<\/span><span style=\"font-weight: 400;\">4<\/span><span style=\"font-weight: 400;\"> + Cu<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">H<\/span><span style=\"font-weight: 400;\">2<\/span><span style=\"font-weight: 400;\">S<\/span><\/td>\n<td><span style=\"font-weight: 400;\">T\u00ednh kh\u1eed<\/span><\/td>\n<td><span style=\"font-weight: 400;\">2H<\/span><span style=\"font-weight: 400;\">2<\/span><span style=\"font-weight: 400;\">S + SO<\/span><span style=\"font-weight: 400;\">2<\/span><span style=\"font-weight: 400;\"> \u2192 3S + 2H<\/span><span style=\"font-weight: 400;\">2<\/span><span style=\"font-weight: 400;\">O<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">SO<\/span><span style=\"font-weight: 400;\">2<\/span><\/td>\n<td><span style=\"font-weight: 400;\">T\u00ednh kh\u1eed &amp; oxi h\u00f3a<\/span><\/td>\n<td><span style=\"font-weight: 400;\">SO<\/span><span style=\"font-weight: 400;\">2<\/span><span style=\"font-weight: 400;\"> + 2H<\/span><span style=\"font-weight: 400;\">2<\/span><span style=\"font-weight: 400;\">S \u2192 3S + 2H<\/span><span style=\"font-weight: 400;\">2<\/span><span style=\"font-weight: 400;\">O<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Cl<\/span><span style=\"font-weight: 400;\">2<\/span><\/td>\n<td><span style=\"font-weight: 400;\">T\u00ednh oxi h\u00f3a r\u1ea5t m\u1ea1nh<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Cl<\/span><span style=\"font-weight: 400;\">2<\/span><span style=\"font-weight: 400;\"> + 2Fe<\/span><span style=\"font-weight: 400;\">2+<\/span><span style=\"font-weight: 400;\"> \u2192 2Fe<\/span><span style=\"font-weight: 400;\">3+<\/span><span style=\"font-weight: 400;\"> + 2Cl<\/span><span style=\"font-weight: 400;\">&#8211;<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"text-align: justify;\"><i><span style=\"font-weight: 400;\">L\u01b0u \u00fd:<\/span><\/i><span style=\"font-weight: 400;\"> M\u1ed9t s\u1ed1 ch\u1ea5t c\u00f3 th\u1ec3 v\u1eeba c\u00f3 t\u00ednh kh\u1eed, v\u1eeba c\u00f3 t\u00ednh oxi h\u00f3a t\u00f9y \u0111i\u1ec1u ki\u1ec7n (nh\u01b0 SO<\/span><span style=\"font-weight: 400;\">2<\/span><span style=\"font-weight: 400;\">, H<\/span><span style=\"font-weight: 400;\">2<\/span><span style=\"font-weight: 400;\">O<\/span><span style=\"font-weight: 400;\">2<\/span><span style=\"font-weight: 400;\">).<\/span><\/p>\n<h2 style=\"text-align: justify;\"><b>M\u1ed1i li\u00ean h\u1ec7 gi\u1eefa t\u00ednh kh\u1eed, t\u00ednh oxi h\u00f3a v\u00e0 s\u1ed1 oxi h\u00f3a<\/b><\/h2>\n<p style=\"text-align: justify;\"><b>T\u00ednh kh\u1eed v\u00e0 t\u00ednh oxi h\u00f3a lu\u00f4n g\u1eafn li\u1ec1n v\u1edbi s\u1ef1 thay \u0111\u1ed5i s\u1ed1 oxi h\u00f3a trong ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc.<\/b><span style=\"font-weight: 400;\"> X\u00e1c \u0111\u1ecbnh s\u1ed1 oxi h\u00f3a l\u00e0 b\u01b0\u1edbc then ch\u1ed1t \u0111\u1ec3 nh\u1eadn di\u1ec7n ch\u1ea5t kh\u1eed\/ch\u1ea5t oxi h\u00f3a v\u00e0 d\u1ef1 \u0111o\u00e1n xu h\u01b0\u1edbng bi\u1ebfn \u0111\u1ed5i trong b\u1ea3ng tu\u1ea7n ho\u00e0n.<\/span><\/p>\n<h3 style=\"text-align: justify;\"><b>S\u1ed1 oxi h\u00f3a th\u1ec3 hi\u1ec7n t\u00ednh kh\u1eed v\u00e0 oxi h\u00f3a nh\u01b0 th\u1ebf n\u00e0o?<\/b><\/h3>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Khi m\u1ed9t nguy\u00ean t\u1ed1 <\/span><b>t\u0103ng s\u1ed1 oxi h\u00f3a<\/b><span style=\"font-weight: 400;\"> sau ph\u1ea3n \u1ee9ng \u2192 ch\u1ea5t \u0111\u00f3 b\u1ecb oxi h\u00f3a (th\u1ec3 hi\u1ec7n t\u00ednh kh\u1eed).<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Khi m\u1ed9t nguy\u00ean t\u1ed1 <\/span><b>gi\u1ea3m s\u1ed1 oxi h\u00f3a<\/b><span style=\"font-weight: 400;\"> sau ph\u1ea3n \u1ee9ng \u2192 ch\u1ea5t \u0111\u00f3 b\u1ecb kh\u1eed (th\u1ec3 hi\u1ec7n t\u00ednh oxi h\u00f3a).<\/span><\/li>\n<\/ul>\n<h3 style=\"text-align: justify;\"><b>Quy lu\u1eadt bi\u1ebfn \u0111\u1ed5i t\u00ednh kh\u1eed theo b\u1ea3ng tu\u1ea7n ho\u00e0n<\/b><\/h3>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><b>Trong m\u1ed9t chu k\u00ec:<\/b><span style=\"font-weight: 400;\"> T\u00ednh kh\u1eed <\/span><b>gi\u1ea3m d\u1ea7n<\/b><span style=\"font-weight: 400;\"> t\u1eeb tr\u00e1i sang ph\u1ea3i (v\u00ed d\u1ee5: kim lo\u1ea1i ki\u1ec1m r\u1ea5t m\u1ea1nh t\u00ednh kh\u1eed, phi kim y\u1ebfu).<\/span><\/li>\n<li style=\"font-weight: 400;\"><b>Trong m\u1ed9t nh\u00f3m:<\/b><span style=\"font-weight: 400;\"> T\u00ednh kh\u1eed <\/span><b>t\u0103ng d\u1ea7n<\/b><span style=\"font-weight: 400;\"> t\u1eeb tr\u00ean xu\u1ed1ng d\u01b0\u1edbi (nh\u00f3m IA: Li &lt; Na &lt; K &lt; Rb &lt; Cs).<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">T\u00ednh kh\u1eed li\u00ean quan \u0111\u1ebfn <\/span><b>\u0111\u1ed9 \u00e2m \u0111i\u1ec7n<\/b><span style=\"font-weight: 400;\">: \u0110\u1ed9 \u00e2m \u0111i\u1ec7n c\u00e0ng th\u1ea5p, t\u00ednh kh\u1eed c\u00e0ng m\u1ea1nh (kim lo\u1ea1i).<\/span><\/li>\n<\/ul>\n<h3 style=\"text-align: justify;\"><b>X\u00e1c \u0111\u1ecbnh t\u00ednh kh\u1eed trong th\u1ef1c ti\u1ec5n<\/b><\/h3>\n<p style=\"text-align: justify;\"><b>L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh t\u00ednh kh\u1eed l\u00e0 g\u00ec?<\/b><span style=\"font-weight: 400;\"> H\u00e3y x\u00e1c \u0111\u1ecbnh s\u1ed1 oxi h\u00f3a tr\u01b0\u1edbc v\u00e0 sau ph\u1ea3n \u1ee9ng, k\u1ebft h\u1ee3p quy lu\u1eadt b\u1ea3ng tu\u1ea7n ho\u00e0n v\u00e0 \u0111\u1ed9 m\u1ea1nh\/y\u1ebfu c\u1ee7a kim lo\u1ea1i, phi kim trong c\u00e1c b\u1ea3ng tra c\u1ee9u. \u0110\u00e2y l\u00e0 k\u1ef9 n\u0103ng c\u1ef1c k\u1ef3 quan tr\u1ecdng trong h\u1ecdc t\u1eadp v\u00e0 nghi\u00ean c\u1ee9u h\u00f3a h\u1ecdc.<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-532454\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/03\/tinh-khu-la-gi-4.jpg\" alt=\"tinh-khu-la-gi-4\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/03\/tinh-khu-la-gi-4.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/03\/tinh-khu-la-gi-4-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/03\/tinh-khu-la-gi-4-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<h2 style=\"text-align: justify;\"><b>So s\u00e1nh t\u00ednh oxi h\u00f3a v\u00e0 t\u00ednh kh\u1eed, \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf<\/b><\/h2>\n<p style=\"text-align: justify;\"><b>T\u00ednh oxi h\u00f3a v\u00e0 t\u00ednh kh\u1eed l\u00e0 hai kh\u00e1i ni\u1ec7m b\u1ed5 sung, \u0111\u1ed1i l\u1eadp nhau nh\u01b0ng kh\u00f4ng th\u1ec3 t\u00e1ch r\u1eddi trong m\u1ecdi ph\u1ea3n \u1ee9ng oxi h\u00f3a \u2013 kh\u1eed.<\/b><span style=\"font-weight: 400;\"> Vi\u1ec7c so s\u00e1nh v\u00e0 \u1ee9ng d\u1ee5ng hai t\u00ednh ch\u1ea5t n\u00e0y gi\u00fap ta v\u1eadn d\u1ee5ng linh ho\u1ea1t trong c\u00e1c l\u0129nh v\u1ef1c h\u1ecdc t\u1eadp, s\u1ea3n xu\u1ea5t v\u00e0 \u0111\u1eddi s\u1ed1ng.<\/span><\/p>\n<h3 style=\"text-align: justify;\"><b>So s\u00e1nh t\u00ednh oxi h\u00f3a v\u00e0 t\u00ednh kh\u1eed<\/b><\/h3>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><b>T\u00ednh kh\u1eed:<\/b><span style=\"font-weight: 400;\"> Nh\u01b0\u1eddng electron, b\u1ecb oxi h\u00f3a, s\u1ed1 oxi h\u00f3a t\u0103ng. Th\u01b0\u1eddng l\u00e0 kim lo\u1ea1i, ch\u1ea5t kh\u1eed.<\/span><\/li>\n<li style=\"font-weight: 400;\"><b>T\u00ednh oxi h\u00f3a:<\/b><span style=\"font-weight: 400;\"> Nh\u1eadn electron, b\u1ecb kh\u1eed, s\u1ed1 oxi h\u00f3a gi\u1ea3m. Th\u01b0\u1eddng l\u00e0 phi kim, ch\u1ea5t oxi h\u00f3a.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Kh\u00f4ng th\u1ec3 c\u00f3 t\u00ednh kh\u1eed m\u00e0 kh\u00f4ng c\u00f3 t\u00ednh oxi h\u00f3a v\u00e0 ng\u01b0\u1ee3c l\u1ea1i \u2013 ch\u00fang lu\u00f4n t\u1ed3n t\u1ea1i \u0111\u1ed3ng th\u1eddi trong m\u1ed9t ph\u1ea3n \u1ee9ng.<\/span><\/li>\n<\/ul>\n<h3 style=\"text-align: justify;\"><b>\u1ee8ng d\u1ee5ng th\u1ef1c t\u1ebf v\u00e0 b\u00e0i t\u1eadp<\/b><\/h3>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><b>\u0110i\u1ec7n h\u00f3a:<\/b><span style=\"font-weight: 400;\"> Pin, \u1eafc quy, qu\u00e1 tr\u00ecnh m\u1ea1 kim lo\u1ea1i, s\u1ea3n xu\u1ea5t h\u00f3a ch\u1ea5t.<\/span><\/li>\n<li style=\"font-weight: 400;\"><b>\u0110\u1eddi s\u1ed1ng:<\/b><span style=\"font-weight: 400;\"> \u0102n m\u00f2n kim lo\u1ea1i, x\u1eed l\u00fd n\u01b0\u1edbc, b\u1ea3o qu\u1ea3n th\u1ef1c ph\u1ea9m.<\/span><\/li>\n<li style=\"font-weight: 400;\"><b>Sinh h\u1ecdc:<\/b><span style=\"font-weight: 400;\"> Qu\u00e1 tr\u00ecnh h\u00f4 h\u1ea5p, quang h\u1ee3p \u0111\u1ec1u l\u00e0 c\u00e1c ph\u1ea3n \u1ee9ng oxi h\u00f3a \u2013 kh\u1eed ph\u1ee9c t\u1ea1p.<\/span><\/li>\n<\/ul>\n<h3 style=\"text-align: justify;\"><b>C\u00f4ng th\u1ee9c, d\u1ea1ng b\u00e0i t\u1eadp v\u1ec1 t\u00ednh kh\u1eed \u2013 t\u00ednh oxi h\u00f3a<\/b><\/h3>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">X\u00e1c \u0111\u1ecbnh s\u1ed1 oxi h\u00f3a tr\u01b0\u1edbc v\u00e0 sau ph\u1ea3n \u1ee9ng.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">L\u1eadp ph\u01b0\u01a1ng tr\u00ecnh ion electron \u0111\u1ec3 c\u00e2n b\u1eb1ng ph\u1ea3n \u1ee9ng oxi h\u00f3a \u2013 kh\u1eed.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">So s\u00e1nh \u0111\u1ed9 m\u1ea1nh\/y\u1ebfu d\u1ef1a v\u00e0o d\u00e3y \u0111i\u1ec7n h\u00f3a v\u00e0 b\u1ea3ng tu\u1ea7n ho\u00e0n.<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">\u0110\u1ec3 luy\u1ec7n t\u1eadp, h\u00e3y th\u1eed gi\u1ea3i c\u00e1c b\u00e0i t\u1eadp x\u00e1c \u0111\u1ecbnh ch\u1ea5t kh\u1eed\/ch\u1ea5t oxi h\u00f3a v\u00e0 c\u00e2n b\u1eb1ng c\u00e1c ph\u01b0\u01a1ng tr\u00ecnh oxi h\u00f3a \u2013 kh\u1eed!<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-532453\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/03\/tinh-khu-la-gi-5.jpg\" alt=\"tinh-khu-la-gi-5\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/03\/tinh-khu-la-gi-5.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/03\/tinh-khu-la-gi-5-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/03\/tinh-khu-la-gi-5-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<h2 style=\"text-align: justify;\"><b>T\u00ednh kh\u1eed l\u00e0 g\u00ec? T\u1ed5ng k\u1ebft ki\u1ebfn th\u1ee9c l\u1edbp 10, 11, 12<\/b><\/h2>\n<p style=\"text-align: justify;\"><b>T\u00ednh kh\u1eed l\u00e0 ki\u1ebfn th\u1ee9c n\u1ec1n t\u1ea3ng xuy\u00ean su\u1ed1t ch\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc ph\u1ed5 th\u00f4ng.<\/b><span style=\"font-weight: 400;\"> D\u01b0\u1edbi \u0111\u00e2y l\u00e0 t\u00f3m t\u1eaft c\u00e1c tr\u1ecdng t\u00e2m theo t\u1eebng c\u1ea5p h\u1ecdc:<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><b>L\u1edbp 10:<\/b><span style=\"font-weight: 400;\"> L\u00e0m quen v\u1edbi kh\u00e1i ni\u1ec7m t\u00ednh kh\u1eed, t\u00ednh oxi h\u00f3a, ch\u1ea5t kh\u1eed, ch\u1ea5t oxi h\u00f3a; x\u00e1c \u0111\u1ecbnh vai tr\u00f2 c\u00e1c ch\u1ea5t trong ph\u1ea3n \u1ee9ng \u0111\u01a1n gi\u1ea3n.<\/span><\/li>\n<li style=\"font-weight: 400;\"><b>L\u1edbp 11:<\/b><span style=\"font-weight: 400;\"> Ph\u00e1t tri\u1ec3n k\u1ef9 n\u0103ng x\u00e1c \u0111\u1ecbnh s\u1ed1 oxi h\u00f3a, c\u00e2n b\u1eb1ng ph\u1ea3n \u1ee9ng oxi h\u00f3a \u2013 kh\u1eed, nh\u1eadn di\u1ec7n t\u00ednh kh\u1eed m\u1ea1nh\/y\u1ebfu c\u1ee7a kim lo\u1ea1i, phi kim.<\/span><\/li>\n<li style=\"font-weight: 400;\"><b>L\u1edbp 12:<\/b><span style=\"font-weight: 400;\"> V\u1eadn d\u1ee5ng s\u00e2u v\u00e0o c\u00e1c b\u00e0i to\u00e1n \u0111i\u1ec7n h\u00f3a, pin, \u1eafc quy, b\u00e0i t\u1eadp ph\u1ee9c t\u1ea1p v\u1ec1 oxi h\u00f3a \u2013 kh\u1eed, \u1ee9ng d\u1ee5ng th\u1ef1c ti\u1ec5n trong c\u00f4ng nghi\u1ec7p v\u00e0 \u0111\u1eddi s\u1ed1ng.<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><b>Ch\u00eca kh\u00f3a th\u00e0nh c\u00f4ng:<\/b><span style=\"font-weight: 400;\"> N\u1eafm v\u1eefng \u0111\u1ecbnh ngh\u0129a, quy lu\u1eadt bi\u1ebfn \u0111\u1ed5i, luy\u1ec7n t\u1eadp b\u00e0i t\u1eadp th\u1ef1c h\u00e0nh \u0111\u1ec3 th\u00e0nh th\u1ea1o x\u00e1c \u0111\u1ecbnh t\u00ednh kh\u1eed, ch\u1ea5t kh\u1eed v\u00e0 v\u1eadn d\u1ee5ng trong m\u1ecdi t\u00ecnh hu\u1ed1ng th\u1ef1c ti\u1ec5n.<\/span><\/p>\n<h2 style=\"text-align: justify;\"><b>C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/b><\/h2>\n<p style=\"text-align: justify;\"><b>Ch\u1ea5t c\u00f3 t\u00ednh kh\u1eed l\u00e0 g\u00ec?<\/b><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Ch\u1ea5t c\u00f3 t\u00ednh kh\u1eed l\u00e0 ch\u1ea5t c\u00f3 kh\u1ea3 n\u0103ng nh\u01b0\u1eddng electron cho ch\u1ea5t kh\u00e1c trong ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc. Khi nh\u01b0\u1eddng electron, ch\u1ea5t n\u00e0y b\u1ecb oxi h\u00f3a, s\u1ed1 oxi h\u00f3a t\u0103ng. V\u00ed d\u1ee5: kim lo\u1ea1i nh\u01b0 Na, Fe, H<\/span><span style=\"font-weight: 400;\">2<\/span><span style=\"font-weight: 400;\">S, SO<\/span><span style=\"font-weight: 400;\">2<\/span><span style=\"font-weight: 400;\"> \u0111\u1ec1u c\u00f3 t\u00ednh kh\u1eed.<\/span><\/p>\n<p style=\"text-align: justify;\"><b>Th\u1ebf kh\u1eed l\u00e0 g\u00ec?<\/b><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Th\u1ebf kh\u1eed (th\u1ebf \u0111i\u1ec7n c\u1ef1c chu\u1ea9n) l\u00e0 ch\u1ec9 s\u1ed1 th\u1ec3 hi\u1ec7n m\u1ee9c \u0111\u1ed9 d\u1ec5 d\u00e0ng x\u1ea3y ra qu\u00e1 tr\u00ecnh kh\u1eed c\u1ee7a m\u1ed9t ch\u1ea5t trong dung d\u1ecbch so v\u1edbi \u0111i\u1ec7n c\u1ef1c hydro ti\u00eau chu\u1ea9n. Th\u1ebf kh\u1eed c\u00e0ng l\u1edbn, t\u00ednh oxi h\u00f3a c\u00e0ng m\u1ea1nh.<\/span><\/p>\n<p style=\"text-align: justify;\"><b>L\u00e0m sao \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh ch\u1ea5t kh\u1eed v\u00e0 ch\u1ea5t oxi h\u00f3a?<\/b><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">X\u00e1c \u0111\u1ecbnh ch\u1ea5t kh\u1eed v\u00e0 ch\u1ea5t oxi h\u00f3a b\u1eb1ng c\u00e1ch so s\u00e1nh s\u1ed1 oxi h\u00f3a tr\u01b0\u1edbc v\u00e0 sau ph\u1ea3n \u1ee9ng: ch\u1ea5t n\u00e0o s\u1ed1 oxi h\u00f3a t\u0103ng l\u00e0 ch\u1ea5t kh\u1eed, ch\u1ea5t n\u00e0o s\u1ed1 oxi h\u00f3a gi\u1ea3m l\u00e0 ch\u1ea5t oxi h\u00f3a.<\/span><\/p>\n<p style=\"text-align: justify;\"><b>T\u00ednh kh\u1eed c\u00f3 li\u00ean quan \u0111\u1ebfn \u0111\u1ed9 \u00e2m \u0111i\u1ec7n kh\u00f4ng?<\/b><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">C\u00f3. \u0110\u1ed9 \u00e2m \u0111i\u1ec7n c\u00e0ng th\u1ea5p th\u00ec ch\u1ea5t c\u00e0ng d\u1ec5 nh\u01b0\u1eddng electron, t\u1ee9c l\u00e0 t\u00ednh kh\u1eed c\u00e0ng m\u1ea1nh. Kim lo\u1ea1i c\u00f3 \u0111\u1ed9 \u00e2m \u0111i\u1ec7n th\u1ea5p n\u00ean th\u01b0\u1eddng c\u00f3 t\u00ednh kh\u1eed m\u1ea1nh.<\/span><\/p>\n<p style=\"text-align: justify;\"><b>Xem th\u00eam:<\/b><\/p>\n<ul>\n<li>\n<p class=\"elementor-heading-title elementor-size-default\"><span style=\"color: #339966;\"><strong><a style=\"color: #339966;\" href=\"https:\/\/hoanghamobile.com\/tin-tuc\/khoa-hoc-dinh-nghia-ban-chat-va-hanh-trinh-kham-pha-tri-thuc\/\">Khoa h\u1ecdc: \u0110\u1ecbnh ngh\u0129a, b\u1ea3n ch\u1ea5t v\u00e0 h\u00e0nh tr\u00ecnh kh\u00e1m ph\u00e1 tri th\u1ee9c<\/a><\/strong><\/span><\/p>\n<\/li>\n<li>\n<p class=\"elementor-heading-title elementor-size-default\"><span style=\"color: #339966;\"><strong><a style=\"color: #339966;\" href=\"https:\/\/hoanghamobile.com\/tin-tuc\/toc-do-anh-sang\/\">T\u1ed1c \u0110\u1ed9 \u00c1nh S\u00e1ng L\u00e0 Bao Nhi\u00eau Km\/s? Gi\u00e1 Tr\u1ecb Ch\u00ednh X\u00e1c V\u00e0 \u00dd Ngh\u0129a Khoa H\u1ecdc<\/a><\/strong><\/span><\/p>\n<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>T\u00ednh kh\u1eed l\u00e0 g\u00ec? T\u00ednh kh\u1eed l\u00e0 kh\u1ea3 n\u0103ng c\u1ee7a m\u1ed9t ch\u1ea5t nh\u01b0\u1eddng electron cho ch\u1ea5t kh\u00e1c trong ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc, khi\u1ebfn s\u1ed1 oxi h\u00f3a c\u1ee7a n\u00f3 t\u0103ng l\u00ean. \u0110\u00e2y l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t trong c\u00e1c ph\u1ea3n \u1ee9ng oxi h\u00f3a \u2013 kh\u1eed, quy\u1ebft \u0111\u1ecbnh vai tr\u00f2 ch\u1ea5t kh\u1eed hay ch\u1ea5t oxi h\u00f3a trong [&hellip;]<\/p>\n","protected":false},"author":84,"featured_media":532452,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[29235,3910,30453],"tags":[],"class_list":["post-532279","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-goc-to-mo","category-kham-pha","category-kien-thuc"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.3 (Yoast SEO v27.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>T\u00ednh Kh\u1eed L\u00e0 G\u00ec? 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