{"id":3444,"date":"2021-10-20T17:13:50","date_gmt":"2021-10-20T10:13:50","guid":{"rendered":"https:\/\/www.vietlearn.org\/post\/?p=3444"},"modified":"2021-10-22T18:08:37","modified_gmt":"2021-10-22T11:08:37","slug":"ion-la-gi-vai-tro-va-ung-dung-cua-ion-trong-doi-song","status":"publish","type":"post","link":"https:\/\/www.vietlearn.org\/kien-thuc\/ion-la-gi-vai-tro-va-ung-dung-cua-ion-trong-doi-song\/","title":{"rendered":"Ion l\u00e0 g\u00ec, vai tr\u00f2 v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a ion trong \u0111\u1eddi s\u1ed1ng"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Ghi ch\u00fa: T\u00e0i li\u1ec7u tr\u00edch d\u1eabn<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ion l\u00e0 m\u1ed9t ngu\u1ed3n vitamin gi\u1eef vai tr\u00f2 quan tr\u1ecdng \u0111\u1ed1i v\u1edbi s\u1ee9c kh\u1ecfe con ng\u01b0\u1eddi, ch\u00fang c\u00f3 s\u1eb5n trong kh\u00f4ng kh\u00ed. V\u1eady, ion l\u00e0 g\u00ec? Vai tr\u00f2 v\u00e0 \u1ee9ng d\u1ee5ng trong cu\u1ed9c s\u1ed1ng nh\u01b0 th\u1ebf n\u00e0o? H\u00e3y c\u00f9ng t\u00ecm hi\u1ec3u chi ti\u1ebft trong n\u1ed9i dung b\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y c\u1ee7a Vietlearn.org nh\u00e9!<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ion l\u00e0 g\u00ec? M\u1ed9t s\u1ed1 kh\u00e1i ni\u1ec7m li\u00ean quan<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ion hay \u0111i\u1ec7n t\u00edch l\u00e0 m\u1ed9t nguy\u00ean t\u1eed hay nh\u00f3m nguy\u00ean t\u1eed b\u1ecb m\u1ea5t hay thu nh\u1eadn th\u00eam \u0111\u01b0\u1ee3c m\u1ed9t hay nhi\u1ec1u \u0111i\u1ec7n t\u1eed. Ion c\u00f3 2 lo\u1ea1i \u0111\u00f3 l\u00e0 ion \u00e2m v\u00e0 ion d\u01b0\u01a1ng. V\u1eady ion \u00e2m l\u00e0 g\u00ec? M\u1ed9t ion mang \u0111i\u1ec7n t\u00edch \u00e2m khi n\u00f3 thu \u0111\u01b0\u1ee3c m\u1ed9t hay nhi\u1ec1u electron \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 anion hay \u0111i\u1ec7n t\u00edch \u00e2m. V\u00e0 m\u1ed9t ion mang \u0111i\u1ec7n t\u00edch d\u01b0\u01a1ng th\u00ec n\u00f3 s\u1ebd m\u1ea5t 1 ho\u1eb7c nhi\u1ec1u electron \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u0111i\u1ec7n t\u00edch d\u01b0\u01a1ng ho\u1eb7c cation.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c nguy\u00ean t\u1eed hay nh\u00f3m nguy\u00ean t\u1eed b\u1ecb ion h\u00f3a s\u1ebd \u0111\u01b0\u1ee3c bi\u1ec3u di\u1ec5n d\u01b0\u1edbi d\u1ea1ng c\u00e1c s\u1ed1 nh\u1ecf vi\u1ebft l\u00ean ph\u00eda tr\u00ean, b\u00ean ph\u1ea3i k\u00fd hi\u1ec7u c\u1ee7a nguy\u00ean t\u1eed hay nh\u00f3m nguy\u00ean t\u1eed. N\u00f3 th\u1ec3 hi\u1ec7n s\u1ed1 l\u01b0\u1ee3ng electron m\u00e0 n\u00f3 thu \u0111\u01b0\u1ee3c hay m\u1ea5t \u0111i. N\u1ebfu l\u1edbn h\u01a1n 1 th\u00ec s\u1ebd l\u00e0 d\u1ea5u (+) v\u00e0 \u00edt h\u01a1n l\u00e0 (-) hay t\u00f9y theo n\u00f3 m\u1ea5t \u0111i hay thu \u0111\u01b0\u1ee3c c\u00e1c electron. Trong tr\u01b0\u1eddng h\u1ee3p m\u1ea5t \u0111i hay thu v\u1ec1 ch\u1ec9 c\u00f3 1 electron th\u00ec kh\u00f4ng c\u1ea7n ghi gi\u00e1 tr\u1ecb s\u1ed1. V\u00ed d\u1ee5 nh\u01b0 H+ hay Cl\u2212.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c kim lo\u1ea1i c\u00f3 xu h\u01b0\u1edbng t\u1ea1o ra cation trong khi c\u00e1c phi kim lo\u1ea1i l\u1ea1i c\u00f3 xu h\u01b0\u1edbng t\u1ea1o ra c\u00e1c anion. V\u00ed d\u1ee5 nh\u01b0 natri t\u1ea1o ra cation Na+ trong khi clo t\u1ea1o ra c\u00e1c anion Cl-.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">N\u0103ng l\u01b0\u1ee3ng ion h\u00f3a l\u00e0 g\u00ec?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">N\u0103ng l\u01b0\u1ee3ng c\u1ea7n thi\u1ebft \u0111\u1ec3 t\u1ea1o ra cation b\u1eb1ng c\u00e1ch lo\u1ea1i b\u1ecf electron t\u1eeb nguy\u00ean t\u1eed trung h\u00f2a v\u1ec1 \u0111i\u1ec7n l\u00e0 n\u0103ng l\u01b0\u1ee3ng ion h\u00f3a. T\u1ef1 chung, n\u0103ng l\u01b0\u1ee3ng ion h\u00f3a th\u1ee9 n c\u1ee7a nguy\u00ean t\u1eed l\u00e0 n\u0103ng l\u01b0\u1ee3ng c\u1ea7n thi\u1ebft \u0111\u1ec3 lo\u1ea1i b\u1ecf c\u00e1c electron th\u1ee9 n sau khi n-1 electron \u0111\u00e3 b\u1ecb lo\u1ea1i b\u1ecf.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed7i m\u1ed9t n\u0103ng l\u01b0\u1ee3ng ion h\u00f3a k\u1ebf ti\u1ebfp l\u00e0 l\u1edbn h\u01a1n m\u1ed9t c\u00e1ch \u0111\u00e1ng k\u1ec3 so v\u1edbi n\u0103ng l\u01b0\u1ee3ng \u1edf m\u1ee9c tr\u01b0\u1edbc tr\u01b0\u1edbc \u0111\u00f3. V\u1edbi s\u1ef1 thay \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng t\u0103ng l\u00ean m\u1ed9t c\u00e1ch \u0111\u1ed9t ng\u1ed9t, khi c\u00e1c electron c\u1ee7a l\u1edbp obitan n\u00e0o \u0111\u00f3 trong nguy\u00ean t\u1eed \u0111\u00e3 b\u1ecb lo\u1ea1i b\u1ecf h\u1ebft. V\u00ec l\u00fd do n\u00e0y m\u00e0 cation c\u00f3 xu h\u01b0\u1edbng t\u1ea1o ra theo h\u01b0\u1edbng b\u1ecf h\u1ebft c\u00e1c electron c\u1ee7a c\u00f9ng l\u1edbp obitan.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">N\u01b0\u1edbc ion l\u00e0 g\u00ec? N\u01b0\u1edbc kh\u1eed ion c\u00f3 t\u00ean g\u1ecdi ti\u1ebfng anh l\u00e0 deionized water hay c\u00f2n g\u1ecdi l\u00e0 n\u01b0\u1edbc DI. L\u00e0 lo\u1ea1i lo\u1ea1i b\u1ecf t\u1ea5t c\u00e1c kho\u00e1ng ch\u1ea5t v\u00e0 mu\u1ed1i ion h\u00f3a c\u1ea3 h\u1eefu c\u01a1 v\u00e0 v\u00f4 c\u01a1 kh\u1ecfi dung d\u1ecbch th\u00f4ng qua qu\u00e1 tr\u00ecnh trao \u0111\u1ed5i ion. V\u1eady n\u00ean c\u00e1c t\u1ea1p ch\u1ea5t n\u01b0\u1edbc l\u00e0 mu\u1ed1i h\u00f2a tan, kh\u1eed ion t\u1ea1o ra m\u1ed9t lo\u1ea1i n\u01b0\u1edbc c\u00f3 m\u1ee9c \u0111\u1ed9 tinh khi\u1ebft cao, t\u01b0\u01a1ng t\u1ef1 nh\u01b0 n\u01b0\u1edbc c\u1ea5t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">So v\u1edbi ch\u01b0ng c\u1ea5t, kh\u1eed ion nhanh h\u01a1n, t\u1ed1t \u00edt n\u0103ng l\u01b0\u1ee3ng v\u00e0 ti\u1ebft ki\u1ec7m chi ph\u00ed h\u01a1n r\u1ea5t nhi\u1ec1u. B\u00ean c\u1ea1nh \u0111\u00f3, \u0111\u00e2y c\u0169ng l\u00e0 quy tr\u00ecnh cung c\u1ea5p n\u01b0\u1edbc tinh khi\u1ebft cao khi c\u1ea7n thi\u1ebft- m\u1ed9t t\u00ednh n\u0103ng quan tr\u1ecdng v\u00ec n\u01b0\u1edbc \u1edf m\u1ee9c \u0111\u1ed9 tinh khi\u1ebft xu\u1ed1ng c\u1ea5p r\u1ea5t nhanh ch\u00f3ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ion h\u00f3a l\u00e0 g\u00ec?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Qu\u00e1 tr\u00ecnh tr\u00ecnh t\u1ea1o ra c\u00e1c ion hay \u0111i\u1ec7n t\u00edch \u0111\u01b0\u1ee3c g\u1ecdi chung l\u00e0 ion h\u00f3a.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">H\u1ee3p ch\u1ea5t ion l\u00e0 g\u00ec?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">H\u1ee3p ch\u1ea5t ion \u0111\u01b0\u1ee3c t\u1ea1o th\u00e0nh t\u1eeb cation (ion d\u01b0\u01a1ng) v\u00e0 anion (ion \u00e2m). H\u1ee3p ch\u1ea5t ion th\u01b0\u1eddng bao g\u1ed3m m\u1ed9t nguy\u00ean t\u1ed1 phi kim v\u00e0 m\u1ed9t nguy\u00ean t\u1ed1 kim lo\u1ea1i.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng c\u1ee7a ion<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c ion mang \u0111i\u1ec7n t\u00edch \u00e2m v\u00e0 d\u01b0\u01a1ng s\u1ebd h\u00fat nhau. Theo \u0111\u00f3, ion \u00e2m s\u1ebd b\u00e1m v\u00e0o c\u00e1c \u0111i\u1ec7n t\u00edch mang \u0111i\u1ec7n t\u00edch d\u01b0\u01a1ng. Qu\u00e1 tr\u00ecnh n\u00e0y s\u1ebd di\u1ec5n ra li\u00ean t\u1ee5c cho \u0111\u1ebfn khi kh\u1ed1i t\u1ea1p ch\u1ea5t \u0111\u1ee7 n\u0103ng v\u00e0 r\u01a1i ra kh\u1ecfi b\u1ea7u kh\u00f4ng kh\u00ed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110a s\u1ed1, c\u00e1c ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m m\u00f4i tr\u01b0\u1eddng nh\u01b0 kh\u00f3i b\u1ee5i, vi khu\u1ea9n,\u2026\u0111\u1ec1u l\u01a1 l\u1eedng trong m\u00f4i tr\u01b0\u1eddng v\u00e0 \u0111\u1ec1u mang \u0111i\u1ec7n t\u00edch d\u01b0\u01a1ng. V\u1eady n\u00ean, c\u00e1c ion \u00e2m s\u1ebd c\u00f3 t\u00e1c d\u1ee5ng l\u1ecdc b\u1ecf c\u00e1c lo\u1ea1i b\u1ee5i si\u00eau m\u1ecbn, kh\u1eed m\u00f9i kh\u00f3 ch\u1ecbu,\u2026Ch\u00ednh v\u00ec th\u1ebf, kh\u00f4ng kh\u00ed v\u1edbi m\u1eadt \u0111\u1ed9 ion \u00e2m c\u00e0ng cao th\u00ec m\u00f4i tr\u01b0\u1eddng \u00edt b\u1ecb \u00f4 nhi\u1ec5m.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Vai tr\u00f2 v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a ion trong cu\u1ed9c s\u1ed1ng hi\u1ec7n nay<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">T\u00e1c d\u1ee5ng c\u1ee7a ion \u00e2m v\u00e0 d\u01b0\u01a1ng gi\u1eef m\u1ed9t vai tr\u00f2 v\u00f4 c\u00f9ng quan tr\u1ecdng trong cu\u1ed9c s\u1ed1ng, ch\u00fang \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng trong nhi\u1ec1u l\u0129nh v\u1ef1c kh\u00e1c nhau, \u0111\u00f3 l\u00e0:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">T\u00e1c d\u1ee5ng l\u1ecdc m\u00e1.u<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Qu\u00e1 tr\u00ecnh ki\u1ec1m h\u00f3a trong m\u00e1.u s\u1ebd l\u00e0m s\u1ea3n sinh c\u00e1c ch\u1ea5t endorphin (morphin n\u1ed9i sinh). Ho\u1ea1t ch\u1ea5t n\u00e0y s\u1ebd l\u00e0m t\u0103ng t\u1ec9 l\u1ec7 ion \u00e2m h\u00f3a c\u00e1c ch\u1ea5t natri, kali,\u2026gi\u00fap cho qu\u00e1 tr\u00ecnh l\u01b0u th\u00f4ng, l\u1ecdc m\u00e1.u hi\u1ec7u qu\u1ea3 h\u01a1n, ph\u1ee5c h\u1ed3i th\u1ec3 l\u1ef1c v\u00e0 mau l\u00e0nh c\u00e1c v\u1ebft th\u01b0\u01a1ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed1i v\u1edbi h\u1ec7 th\u1ea7n kinh<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00f3 \u0111\u1ebfn 75% l\u01b0\u1ee3ng kh\u00f4ng kh\u00ed con ng\u01b0\u1eddi h\u00edt th\u1edf h\u00e0ng n\u00e0y \u0111\u01b0\u1ee3c ti\u00eau th\u1ee5 \u1edf n\u00e3o. Ion \u00e2m s\u1ebd x\u00e2m nh\u1eadp v\u00e0o c\u01a1 th\u1ec3 \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng qu\u00e1 tr\u00ecnh trao \u0111\u1ed5i oxy, t\u0103ng c\u01b0\u1eddng ho\u1ea1t \u0111\u1ed9ng c\u1ee7a h\u1ec7 th\u1ea7n kinh. \u0110i\u1ec1u n\u00e0y gi\u00fap con ng\u01b0\u1eddi t\u1eadp trung h\u01a1n, n\u00e2ng cao n\u0103ng l\u1ef1c hi\u1ec7u qu\u1ea3 l\u00e0m vi\u1ec7c v\u00e0 duy tr\u00ec m\u1ecdi ho\u1ea1t \u0111\u1ed9ng s\u1ed1ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u00ean c\u1ea1nh \u0111\u00f3, ion \u00e2m cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng cho m\u1ecdi c\u01a1 quan c\u1ee7a c\u01a1 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng t\u1eeb h\u1ec7 th\u1ea7n kinh \u0111\u1ebfn t\u1ebf b\u00e0o, m\u00e1.u,\u2026gi\u00fap c\u01a1 th\u1ec3 ph\u1ee5c h\u1ed3i c\u00e1c t\u00ednh n\u0103ng b\u1ecb suy y\u1ebfu; cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng s\u1ed1ng cho c\u01a1 th\u1ec3.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">T\u00e1i t\u1ea1o t\u1ebf b\u00e0o<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">S\u1ef1 ion h\u00f3a c\u00e1c kho\u00e1ng ch\u1ea5t s\u1ebd t\u1ea1o ra ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng c\u1ea7n thi\u1ebft cho m\u1ecdi ho\u1ea1t \u0111\u1ed9ng c\u1ee7a t\u1ebf b\u00e0o, \u0111\u1ea9y nhanh qu\u00e1 tr\u00ecnh t\u00e1i t\u1ea1o. Qu\u00e1 tr\u00ecnh trao \u0111\u1ed5i ch\u1ea5t gi\u00fap c\u00e1c ch\u1ea5t th\u1ea3i \u0111\u1ed9c t\u1ed1 nhanh ch\u00f3ng b\u1ecb lo\u1ea1i tr\u1eeb, t\u1ebf b\u00e0o m\u1edbi k\u1ebf sinh v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng h\u01a1n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">T\u0103ng c\u01b0\u1eddng h\u1ec7 th\u1ed1ng h\u00f4 h\u1ea5p<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ion \u00e2m c\u00f3 t\u00e1c d\u1ee5ng c\u1ea3i thi\u1ec7n ch\u1ee9c n\u0103ng c\u1ee7a ph\u1ed5i, b\u1edfi khi h\u00f4 h\u1ea5p ion \u00e2m \u0111\u01b0\u1ee3c h\u1ea5p th\u1ee5 v\u00e0o c\u01a1 th\u1ec3 s\u1ebd c\u00f3 t\u00e1c d\u1ee5ng t\u0103ng l\u01b0\u1ee3ng oxy trong l\u00e1 ph\u1ed5i. N\u1ebfu h\u00edt th\u1edf trong m\u00f4i tr\u01b0\u1eddng c\u00f3 ion \u00e2m trong th\u1eddi gian 30 ph\u00fat, c\u00f3 th\u1ec3 l\u00e0m t\u0103ng kh\u1ea3 n\u0103ng h\u00f4 h\u1ea5p l\u00ean 20%, v\u00e0 l\u01b0\u1ee3ng kh\u00ed th\u1ea3i CO2 c\u0169ng t\u0103ng l\u00ean 14.5%.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ion \u00e2m v\u00e0 b\u1ec7nh un.g th.\u01b0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Khi t\u1ebf b\u00e0o un.g th.\u01b0 h\u00ecnh th\u00e0nh v\u00e0 ho\u1ea1t \u0111\u1ed9ng s\u1ebd s\u1ea3n sinh ra m\u1ed9t l\u01b0\u1ee3ng axit lactic l\u00e0m oxy h\u00f3a dung d\u1ecbch m\u00e1.u v\u00e0 l\u00e0m cho qu\u00e1 tr\u00ecnh l\u01b0u th\u00f4ng m\u00e1u tr\u00ec tr\u1ec7 h\u01a1n do thi\u1ebfu oxy. L\u00fac n\u00e0y ion \u00e2m s\u1ebd t\u00e1c \u0111\u1ed9ng t\u00edch c\u1ef1c v\u00e0o qu\u00e1 tr\u00ecnh n\u00e0y, trung h\u00f2a t\u00ednh axit trong m\u00e1.u, cung c\u1ea5p oxy, gi\u00fap c\u01a1 ch\u1ebf t\u1ef1 s\u1eeda ch\u1eefa \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n m\u1ed9t c\u00e1ch t\u1ef1 nhi\u00ean. Ph\u00e2n t\u1eed DNA \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n, ch\u1ee9c n\u0103ng \u0111\u01b0\u1ee3c ph\u1ee5c h\u1ed3i.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u1ee8ng d\u1ee5ng trong c\u00f4ng ngh\u1ec7<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Hi\u1ec7n nay, c\u00f3 r\u1ea5t nhi\u1ec1u \u0111\u01a1n v\u1ecb s\u1ea3n xu\u1ea5t m\u00e1y l\u1ecdc kh\u00f4ng kh\u00ed \u0111\u00e3 nghi\u00ean c\u1ee9u v\u00e0 cho ra m\u1eaft nhi\u1ec1u d\u00f2ng s\u1ea3n ph\u1ea9m ion \u00e2m. V\u1eeba kh\u1eed \u0111\u1ed9c, v\u1eeba t\u1ea1o ra ion \u00e2m, c\u00f3 t\u00e1c d\u1ee5ng c\u00e2n b\u1eb1ng \u0111i\u1ec7n, t\u0103ng kh\u1ea3 n\u0103ng mi\u1ec5n d\u1ecbch cho c\u01a1 th\u1ec3.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ngo\u00e0i \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng trong m\u00e1y l\u1ecdc kh\u00f4ng kh\u00ed, ion c\u00f2n \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p tr\u00ean m\u1ed9t s\u1ed1 thi\u1ebft b\u1ecb \u0111i\u1ec1u h\u00f2a kh\u00f4ng kh\u00ed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Hy v\u1ecdng, c\u00e1c th\u00f4ng tin tr\u00ean \u0111\u00e2y s\u1ebd gi\u00fap b\u1ea1n gi\u1ea3i th\u00edch \u0111\u01b0\u1ee3c kh\u00e1i ni\u1ec7m ion l\u00e0 g\u00ec r\u1ed3i ch\u1ee9. \u0110\u1ec3 c\u00f3 th\u00eam nhi\u1ec1u th\u00f4ng h\u1eefu \u00edch kh\u00e1c, qu\u00fd kh\u00e1ch h\u00e0ng h\u00e3y truy c\u1eadp ngay website Vietlearn.org, ch\u1eafc ch\u1eafn s\u1ebd gi\u00fap \u00edch b\u1ea1n!<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n\n\n\n","protected":false},"excerpt":{"rendered":"<p>Ghi ch\u00fa: T\u00e0i li\u1ec7u tr\u00edch d\u1eabn Ion l\u00e0 m\u1ed9t ngu\u1ed3n vitamin gi\u1eef vai tr\u00f2 quan tr\u1ecdng \u0111\u1ed1i v\u1edbi s\u1ee9c kh\u1ecfe con ng\u01b0\u1eddi, ch\u00fang c\u00f3 s\u1eb5n trong kh\u00f4ng kh\u00ed. V\u1eady, ion l\u00e0 g\u00ec? Vai tr\u00f2 v\u00e0 \u1ee9ng d\u1ee5ng trong cu\u1ed9c s\u1ed1ng nh\u01b0 th\u1ebf n\u00e0o? H\u00e3y c\u00f9ng t\u00ecm hi\u1ec3u chi ti\u1ebft trong n\u1ed9i dung b\u00e0i vi\u1ebft d\u01b0\u1edbi [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_disable_autopaging":false},"categories":[8],"tags":[],"class_list":["post-3444","post","type-post","status-publish","format-standard","hentry","category-hoa-hoc"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/3444","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/comments?post=3444"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/3444\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=3444"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=3444"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=3444"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}