{"id":965,"date":"2021-10-08T12:55:43","date_gmt":"2021-10-08T12:55:43","guid":{"rendered":"https:\/\/www.vietlearn.org\/post\/?p=965"},"modified":"2021-10-14T22:09:12","modified_gmt":"2021-10-14T15:09:12","slug":"cac-kim-loai-kiem-tho-nam-vung-kien-thuc-hoa-hoc-12","status":"publish","type":"post","link":"https:\/\/www.vietlearn.org\/kien-thuc\/cac-kim-loai-kiem-tho-nam-vung-kien-thuc-hoa-hoc-12\/","title":{"rendered":"C\u00e1c kim lo\u1ea1i ki\u1ec1m th\u1ed5 \u2013 N\u1eafm v\u1eefng ki\u1ebfn th\u1ee9c h\u00f3a h\u1ecdc 12"},"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\">Kim lo\u1ea1i ki\u1ec1m th\u1ed5 l\u00e0 g\u00ec? C\u00e1c kim lo\u1ea1i ki\u1ec1m th\u1ed5 c\u00f3 kh\u00e1c g\u00ec nhi\u1ec1u so v\u1edbi c\u00e1c kim lo\u1ea1i ki\u1ec1m? Kh\u00f4ng \u00edt b\u1ea1n trong qu\u00e1 tr\u00ecnh h\u1ecdc b\u1ecb nh\u1ea7m l\u1eabn gi\u1eefa 2 ph\u1ea7n ki\u1ebfn th\u1ee9c n\u00e0y. H\u00f4m nay, Vietlearn s\u1ebd chia s\u1ebb n\u1ed9i dung t\u1ed5ng h\u1ee3p ki\u1ebfn th\u1ee9c v\u1ec1 kim lo\u1ea1i ki\u1ec1m th\u1ed5 \u0111\u1ec3 n\u1eafm v\u1eefng ki\u1ebfn th\u1ee9c n\u00e0y nh\u00e9! \u0110\u1eebng b\u1ecf l\u1ee1 nh\u1eefng gi\u00e2y ph\u00fat kh\u00e1m ph\u00e1 th\u00fa v\u1ecb v\u1edbi h\u00f3a h\u1ecdc ngay sau \u0111\u00e2y!<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u1ecb tr\u00ed c\u1ea5u t\u1ea1o c\u1ee7a c\u00e1c kim lo\u1ea1i ki\u1ec1m th\u1ed5<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Kim lo\u1ea1i ki\u1ec1m th\u1ed5 thu\u1ed9c nh\u00f3m n\u00e0o?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u1ecb tr\u00ed c\u1ee7a kim lo\u1ea1i ki\u1ec1m th\u1ed5 trong b\u1ea3ng tu\u1ea7n ho\u00e0n<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Kim lo\u1ea1i ki\u1ec1m th\u1ed5 thu\u1ed9c nh\u00f3m IIA trong b\u1ea3ng tu\u1ea7n ho\u00e0n h\u00f3a h\u1ecdc b\u00e0 \u0111\u1ee9ng sau kim lo\u1ea1i ki\u1ec1m trong m\u1ed9t chu k\u1ef3.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c nguy\u00ean t\u1ed1 thu\u1ed9c kim lo\u1ea1i ki\u1ec1m th\u1ed5 g\u1ed3m c\u00f3: Beri (Be), Magie (Mg), Canxi (Ca), Stronti (Sr), Bari (Ba), Ra\u0111i (Ra)*.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u1ea5u t\u1ea1o v\u00e0 t\u00ednh ch\u1ea5t c\u1ee7a kim lo\u1ea1i ki\u1ec1m th\u1ed5<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nguy\u00ean t\u1ed1 Be Mg Ca Sr Ba<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u1ea5u h\u00ecnh electron [He]2s2 [Ne]3s2 [Ar]4s2 [Kr]5s2 [Xe]6s2<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u00e1n k\u00ednh nguy\u00ean t\u1eed (nm) 0,089 0,136 0,174 0,191 0,220<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">N\u0103ng l\u01b0\u1ee3ng ion h\u00f3a I2 (kJ\/mol) 1800 1450 1150 1060 970<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed9 \u00e2m \u0111i\u1ec7n 1,57 1,31 1,00 0,95 0,89<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Th\u1ebf \u0111i\u1ec7n c\u1ef1c chu\u1ea9n E\u25e6M2+\/M(V) -1,85 -2,37 -2,87 -2,89 -2,90<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ea1ng tinh th\u1ec3 L\u1ee5c ph\u01b0\u01a1ng L\u1eadp ph\u01b0\u01a1ng t\u00e2m di\u1ec7n L\u1eadp ph\u01b0\u01a1ng t\u00e2m kh\u1ed1i<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t s\u1ed1 l\u01b0u \u00fd :<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u1edbi h\u1ee3p ch\u1ea5t c\u00f3 th\u00e0nh ph\u1ea7n Be, li\u00ean k\u1ebft gi\u1eefa Be v\u1edbi c\u00e1c nguy\u00ean t\u1ed1 kh\u00e1c l\u00e0 li\u00ean k\u1ebft c\u1ed9ng h\u00f3a tr\u1ecb.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ca, Sr, Ba v\u00e0 Ra l\u00e0 c\u00e1c nguy\u00ean t\u1ed1 kim lo\u1ea1i ki\u1ec1m th\u1ed5 ch\u1ec9 t\u1ea1o n\u00ean h\u1ee3p ch\u1ea5t ion.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">T\u00ednh ch\u1ea5t v\u1eadt l\u00fd c\u1ee7a kim lo\u1ea1i ki\u1ec1m th\u1ed5<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c kim lo\u1ea1i ki\u1ec1m th\u1ed5 c\u00f3 m\u00e0u tr\u1eafng b\u1ea1c ho\u1eb7c x\u00e1m nh\u1ea1t. M\u1ed9t s\u1ed1 t\u00ednh ch\u1ea5t v\u1eadt l\u00fd c\u1ee7a kim lo\u1ea1i ki\u1ec1m th\u1ed5 \u0111\u01b0\u1ee3c th\u1ec3 hi\u1ec7n trong b\u1ea3ng sau:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nguy\u00ean t\u1ed1 Be Mg Ca Sr Ba<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nhi\u1ec7t \u0111\u1ed9 n\u00f3ng ch\u1ea3y (\u25e6C) 1280 650 838 768 714<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nhi\u1ec7t \u0111\u1ed9 s\u00f4i (\u25e6C) 2770 1110 1440 1380 1640<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Kh\u1ed1i l\u01b0\u1ee3ng ri\u00eang (g\/cm3) 1,85 1,74 1,55 2,6 3,5<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed9 c\u1ee9ng (l\u1ea5y kim c\u01b0\u01a1ng = 10) 2,0 1,5 1,8<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">H\u1ea7u h\u1ebft c\u00e1c nguy\u00ean t\u1ed1 \u0111\u1ec1u c\u00f3 nhi\u1ec7t \u0111\u1ed9 n\u00f3ng ch\u1ea3y v\u00e0 nhi\u1ec7t \u0111\u1ed9 s\u00f4i th\u1ea5p ( ch\u1ec9 tr\u1eeb Be), bi\u1ebfn \u0111\u1ed5i kh\u00f4ng theo m\u1ed9t chi\u1ec1u.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Kim lo\u1ea1i ki\u1ec1m th\u1ed5 c\u00f3 \u0111\u1ed9 c\u1ee9ng th\u1ea5p, nh\u01b0ng v\u1eabn c\u1ee9ng h\u01a1n kim lo\u1ea1i ki\u1ec1m. \u0110\u1ed9 c\u1ee9ng gi\u1ea3m d\u1ea7n theo chi\u1ec1u t\u1eeb Be \u2192 Ba<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Kh\u1ed1i l\u01b0\u1ee3ng ri\u00eang c\u1ee7a kim lo\u1ea1i ki\u1ec1m th\u1ed5 t\u01b0\u01a1ng \u0111\u1ed1i nh\u1ecf, \u0111a s\u1ed1 nh\u1eb9 h\u01a1n nh\u00f4m (tr\u1eeb Ba).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">T\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc c\u1ee7a c\u00e1c kim lo\u1ea1i ki\u1ec1m th\u1ed5<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c kim lo\u1ea1i ki\u1ec1m th\u1ed5 \u0111\u1ec1u tan trong n\u01b0\u1edbc c\u00f3 \u0111\u00fang kh\u00f4ng?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Kim lo\u1ea1i ki\u1ec1m th\u1ed5 c\u00f3 t\u00ednh kh\u1eed m\u1ea1nh, nh\u01b0ng l\u1ea1i y\u1ebfu h\u01a1n so v\u1edbi kim lo\u1ea1i ki\u1ec1m. T\u00ednh kh\u1eed t\u0103ng d\u1ea7n t\u1eeb Be \u2192 BA.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M \u2013 2e \u2192 M2+<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">T\u00e1c d\u1ee5ng v\u1edbi phi kim<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Khi \u0111\u1ed1t n\u00f3ng trong kh\u00f4ng kh\u00ed, c\u00e1c kim lo\u1ea1i ki\u1ec1m th\u1ed5 \u0111\u1ec1u b\u1ed1c ch\u00e1y v\u00e0 t\u1ea1o oxit, ph\u00e1t ra nhi\u1ec1u nhi\u1ec7t, ch\u1eb3ng h\u1ea1n nh\u01b0 ph\u01b0\u01a1ng tr\u00ecnh: 2Mg + O2 \u2192 2MgO \u2206H= \u2013 610 KJ\/mol<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Trong \u0111i\u1ec1u ki\u1ec7n kh\u00f4ng kh\u00ed \u1ea9m Ca, Sr, Ba ph\u1ea3n \u1ee9ng v\u1edbi kh\u00f4ng kh\u00ed nh\u01b0 oxi t\u1ea1o n\u00ean l\u1edbp cacbonat. Do v\u1eady c\u1ea7n b\u1ea3o qu\u1ea3n kim lo\u1ea1i ki\u1ec1m th\u1ed5 n\u00e0y trong b\u00ecnh k\u00edn hay trong d\u1ea7u h\u1ecfa khan.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c kim lo\u1ea1i ki\u1ec1m th\u1ed5 c\u00f3 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng t\u00e1c m\u00e3nh li\u1ec7t v\u1edbi halogen, nit\u01a1, l\u01b0u hu\u1ef3nh, photpho, cacbon, siliC trong \u0111i\u1ec1u ki\u1ec7n nhi\u1ec7t \u0111\u1ed9 cao. Ch\u1eb3ng h\u1ea1n nh\u01b0:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ca + Cl2 \u2192 CaCl2<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Mg + Si \u2192 Mg2Si<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Khi \u0111\u01b0\u1ee3c \u0111un n\u00f3ng, kim lo\u1ea1i ki\u1ec1m th\u1ed5 c\u00f3 th\u1ec3 kh\u1eed nhi\u1ec1u oxit b\u1ec1n nh\u01b0: B2O3, CO2, SiO2, TiO2, Al2O3, Cr2O3,<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">2Be + TiO2 \u2192 2BeO + Ti<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">2Mg + CO2 \u2192 2MgO + C<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">T\u00e1c d\u1ee5ng v\u1edbi axit<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Khi kim lo\u1ea1i ki\u1ec1m t\u00e1c d\u1ee5ng v\u1edbi HCL hay H2SO4 lo\u00e3ng, ion H+ s\u1ebd \u0111\u01b0\u1ee3c kh\u1eed th\u00e0nh H2: Mg + 2H+ \u2192 Mg2+ + H2<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Khi kim lo\u1ea1i ki\u1ec1m t\u00e1c d\u1ee5ng v\u1edbi HNO3 hay H2SO4 \u0111\u1eb7c s\u1ebd c\u00f3 ph\u1ea3n \u1ee9ng kh\u1eed N+5, S+6 th\u00e0nh c\u00e1c h\u1ee3p ch\u1ea5t m\u1ee9c oxi h\u00f3a th\u1ea5p h\u01a1n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">4Ca + 10HNO\u00ad3 (l) \u2192 4Ca(NO3)2 + NH4NO3 + 3H2O<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Mg + 4HNO3 \u0111\u0111 \u2192 Mg(NO3)2 + 2NO2 + 2H2O<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">T\u00e1c d\u1ee5ng v\u1edbi n\u01b0\u1edbc<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c kim lo\u1ea1i ki\u1ec1m th\u1ed5: Ca, Sr, Ba khi t\u00e1c d\u1ee5ng v\u1edbi n\u01b0\u1edbc \u1edf nhi\u1ec7t \u0111\u1ed9 th\u01b0\u1eddng t\u1ea1o ra dung d\u1ecbch baz\u01a1: Ca + 2H2O \u2192 Ca(OH)2 + H2 \u2191<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Mg kh\u00f4ng tan trong n\u01b0\u1edbc l\u1ea1nh nh\u01b0ng tan ch\u1eadm trong n\u01b0\u1edbc n\u00f3ng t\u1ea1o h\u1ed7n h\u1ee3p MgO:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Mg + H2O \u2192 MgO + H2\u2191<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Do c\u00f3 l\u1edbp oxit b\u1ea3o v\u1ec7, Be kh\u00f4ng tan trong n\u01b0\u1edbc d\u00f9 \u1edf nhi\u1ec7t \u0111\u1ed9 cao, c\u00f3 th\u1ec3 tan trong dung d\u1ecbch ki\u1ec1m m\u1ea1nh ho\u1eb7c ki\u1ec1m n\u00f3ng ch\u1ea3y t\u1ea1o berilat:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Be + 2NaOH + 2H2O \u2192 Na2[Be(OH)4] + H2<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Be + 2 NaOH(n\u00f3ng ch\u1ea3y) \u2192 Na2BeO2 + H2<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u1ee8ng d\u1ee5ng v\u00e0 \u0111i\u1ec1u ch\u1ebf<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110i\u1ec7n ph\u00e2n mu\u1ed1i n\u00f3ng ch\u1ea3y l\u00e0 ph\u01b0\u01a1ng ph\u00e1p \u0111i\u1ec1u ch\u1ebf kim lo\u1ea1i ki\u1ec1m th\u1ed5<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u1ee8ng d\u1ee5ng<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Trong th\u1ef1c t\u1ebf, kim lo\u1ea1i ki\u1ec1m th\u1ed5 c\u00f3 nhi\u1ec1u \u1ee9ng d\u1ee5ng nh\u01b0: l\u00e0m ch\u1ea5t ph\u1ee5 gia \u0111\u1ec3 ch\u1ebf t\u1ea1o h\u1ee3p kim c\u00f3 t\u00ednh \u0111\u00e0n h\u1ed3i cao, kh\u00f4ng b\u1ecb \u0103n m\u00f2n (Be); d\u00f9ng l\u00e0m ch\u1ea5t kh\u1eed \u0111\u1ec3 t\u00e1ch oxi, l\u01b0u hu\u1ef3nh ra kh\u1ecfi th\u00e9p; d\u00f9ng \u0111\u1ec3 t\u1ed5ng h\u1ee3p nhi\u1ec1u h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1,\u2026<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110i\u1ec1u ch\u1ebf kim lo\u1ea1i ki\u1ec1m th\u1ed5<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Trong t\u1ef1 nhi\u00ean, kim lo\u1ea1i ki\u1ec1m th\u1ed5 ch\u1ec9 t\u1ed3n t\u1ea1i d\u1ea1ng ion M2+ trong c\u00e1c h\u1ee3p ch\u1ea5t, ph\u01b0\u01a1ng ph\u00e1p \u0111i\u1ec1u ch\u1ebf c\u01a1 b\u1ea3n l\u00e0 \u0111i\u1ec7n ph\u00e2n mu\u1ed1i n\u00f3ng ch\u1ea3y c\u1ee7a ch\u00fang.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">CaCl2 \u2192 Ca + Cl2\u2191<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">MgCl2 \u2192 Mg + Cl2\u2191<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ngo\u00e0i ra, c\u00f2n m\u1ed9t s\u1ed1 ph\u01b0\u01a1ng ph\u00e1p kh\u00e1c nh\u01b0 d\u00f9ng than c\u1ed1c kh\u1eed MgO, CaO,\u2026<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">L\u1eddi k\u1ebft,<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tr\u00ean \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 th\u00f4ng tin v\u1ec1 c\u00e1c kim lo\u1ea1i ki\u1ec1m th\u1ed5 m\u00e0 Vietlearn ch\u00fang t\u00f4i mu\u1ed1n chia s\u1ebb \u0111\u1ebfn c\u00e1c b\u1ea1n. Hy v\u1ecdng b\u00e0i vi\u1ebft b\u1ed5 \u00edch s\u1ebd g\u00f3p ph\u1ea7n c\u1ee7ng c\u1ed1 l\u1ea1i ki\u1ebfn th\u1ee9c \u0111\u00e3 h\u1ecdc v\u00e0 c\u00f3 th\u00eam m\u1ed9t s\u1ed1 kh\u00e1m ph\u00e1 m\u1edbi m\u1ebb. Ch\u1eafc h\u1eb3n c\u00e1c c\u00e2u h\u1ecfi nh\u01b0 Kim lo\u1ea1i n\u00e0o sau \u0111\u00e2y l\u00e0 kim lo\u1ea1i ki\u1ec1m th\u1ed5 s\u1ebd kh\u00f4ng l\u00e0m kh\u00f3 b\u1ea1n \u0111\u01b0\u1ee3c n\u1eefa. Ch\u00fac c\u00e1c b\u1ea1n \u0111\u1ea1t k\u1ebft qu\u1ea3 <a href=\"https:\/\/www.vietlearn.org\" data-internallinksmanager029f6b8e52c=\"2\" title=\"Vietlearn\" rel=\"nofollow\">h\u1ecdc t\u1eadp<\/a> t\u1ed1t nh\u00e9!<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>Xem th\u00eam c\u00e1c b\u00e0i vi\u1ebft kh\u00e1c c\u00f9ng ch\u1ee7 \u0111\u1ec1:<\/p><\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">T\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc \u0111\u1eb7c tr\u01b0ng c\u1ee7a Kim lo\u1ea1i la\u0300 gi\u0300 \u2013 H\u00f3a h\u1ecdc l\u1edbp 9<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">H\u00f3a h\u1ecdc 12 \u2013 N\u1eafm v\u1eefng ki\u1ebfn th\u1ee9c chu\u1ea9n b\u1ecb cho k\u1ef3 thi \u0110\u1ea1i h\u1ecdc<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">D\u00e3y ho\u1ea1t \u0111\u1ed9ng h\u00f3a h\u1ecdc c\u1ee7a kim lo\u1ea1i \u0111\u1ea7y \u0111\u1ee7 l\u1edbp 9 -Vietlearn<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">T\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc c\u1ee7a phi kim \u2013 Nh\u1eefng l\u01b0u \u00fd khi h\u1ecd<\/p>\n\n\n\n\n\n\n","protected":false},"excerpt":{"rendered":"<p>Ghi ch\u00fa: T\u00e0i li\u1ec7u tr\u00edch d\u1eabn Kim lo\u1ea1i ki\u1ec1m th\u1ed5 l\u00e0 g\u00ec? C\u00e1c kim lo\u1ea1i ki\u1ec1m th\u1ed5 c\u00f3 kh\u00e1c g\u00ec nhi\u1ec1u so v\u1edbi c\u00e1c kim lo\u1ea1i ki\u1ec1m? Kh\u00f4ng \u00edt b\u1ea1n trong qu\u00e1 tr\u00ecnh h\u1ecdc b\u1ecb nh\u1ea7m l\u1eabn gi\u1eefa 2 ph\u1ea7n ki\u1ebfn th\u1ee9c n\u00e0y. H\u00f4m nay, Vietlearn s\u1ebd chia s\u1ebb n\u1ed9i dung t\u1ed5ng h\u1ee3p ki\u1ebfn th\u1ee9c [&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":[8,5],"tags":[],"class_list":["post-965","post","type-post","status-publish","format-standard","hentry","category-hoa-hoc","category-pho-thong"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/965","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=965"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/965\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=965"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=965"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=965"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}