Ghi ch\u00fa: T\u00e0i li\u1ec7u tr\u00edch d\u1eabn<\/p>\n\n\n\n
Trong cu\u1ed9c s\u1ed1ng c\u1ee7a ch\u00fang ta, kim lo\u1ea1i c\u00f3 vai tr\u00f2 r\u1ea5t quan tr\u1ecdng. Kim lo\u1ea1i trong t\u1ef1 nhi\u00ean \u00edt ph\u1ed5 bi\u1ebfn h\u01a1n phi kim nh\u01b0ng ch\u00fang l\u1ea1i chi\u1ebfm \u0111\u1ebfn 80% trong b\u1ea3ng h\u1ec7 th\u1ed1ng tu\u1ea7n ho\u00e0n. C\u00e1c kim lo\u1ea1i th\u00f4ng d\u1ee5ng nh\u01b0: \u0111\u1ed3ng, nh\u00f4m, ch\u00ec, v\u00e0ng, k\u1ebdm, s\u1eaft, b\u1ea1c, titan. V\u1eady t\u00ednh ch\u1ea5t v\u00e2\u0323t ly\u0301 c\u1ee7a kim lo\u1ea1i g\u1ed3m nh\u1eefng g\u00ec v\u00e0 kim lo\u1ea1i \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng trong \u0111\u1eddi s\u1ed1ng, s\u1ea3n xu\u1ea5t nh\u01b0 th\u1ebf n\u00e0o? H\u00e3y theo d\u00f5i b\u00e0i h\u1ecdc d\u01b0\u1edbi \u0111\u00e2y \u0111\u1ec3 c\u00f3 c\u00e2u tr\u1ea3 l\u1eddi nh\u00e9.<\/p>\n\n\n\n
T\u00ednh d\u1ebbo \u2013 T\u00ednh ch\u1ea5t v\u00e2\u0323t ly\u0301 c\u1ee7a kim lo\u1ea1i \u0111\u0103\u0323c tr\u01b0ng<\/p>\n\n\n\n
T\u00ednh ch\u1ea5t v\u1eadt l\u00fd chung c\u1ee7a kim lo\u1ea1i \u0111\u1ea7u ti\u00ean ph\u1ea3i k\u1ec3 \u0111\u1ebfn \u0111\u00f3 l\u00e0 t\u00ednh d\u1ebbo<\/p>\n\n\n\n
L\u00fd thuy\u1ebft<\/p>\n\n\n\n
Khi b\u1ea1n t\u00e1c d\u1ee5ng m\u1ed9t l\u1ef1c c\u01a1 h\u1ecdc \u0111\u1ee7 m\u1ea1nh n\u00ean kim lo\u1ea1i, k\u1ebft qu\u1ea3 l\u00e0 n\u00f3 b\u1ecb bi\u1ebfn d\u1ea1ng. S\u1ef1 bi\u1ebfn d\u1ea1ng c\u1ee7a kim lo\u1ea1i l\u00e0 do c\u00e1c l\u1edbp tinh th\u1ec3 d\u1ea1ng m\u1ea1ng tr\u01b0\u1ee3t l\u00ean nhau. \u0110i\u1ec1u \u0111\u1eb7c bi\u1ec7t l\u00e0 l\u1edbp m\u1ea1ng tinh th\u1ec3 n\u00e0y v\u1eabn li\u00ean k\u1ebft v\u1edbi nhau kh\u00f4ng h\u1ec1 t\u00e1c r\u1eddi nhau. S\u1ef1 li\u00ean k\u1ebft n\u00e0y nh\u1edd v\u00e0o c\u00e1c electron t\u1ef1 do di chuy\u1ec3n kh\u00f4ng ng\u1eebng gi\u1eefa c\u00e1c l\u1edbp m\u00e0ng tinh th\u1ec3.<\/p>\n\n\n\n
T\u00ednh ch\u1ea5t v\u00e2\u0323t ly\u0301 c\u1ee7a kim lo\u1ea1i<\/p>\n\n\n\n
C\u00e1c kim lo\u1ea1i c\u00f3 t\u00ednh d\u1ebbo cao l\u00e0 nh\u00f4m (Al), b\u1ea1c (Ag), \u0111\u1ed3ng (Cu), v\u00e0ng (Au), thi\u1ebfc (Sn), K\u1ebdm (Zn),\u2026 Ng\u01b0\u1eddi th\u1ee3 ch\u1ebf t\u1ea1o c\u00f3 th\u1ec3 d\u00e1t m\u1ecfng nh\u1eefng l\u00e1 v\u00e0ng v\u1edbi k\u00edch th\u01b0\u1edbc 1\/20 micron bi\u1ebft r\u1eb1ng 1 micron = 1\/1000 mm, v\u1edbi \u0111\u1ed9 m\u1ecfng n\u00e0y \u00e1nh s\u00e1ng c\u00f3 th\u1ec3 xuy\u00ean qua \u0111\u01b0\u1ee3c.<\/p>\n\n\n\n
C\u00e1c kim lo\u1ea1i kh\u00e1c nhau s\u1ebd c\u00f3 nh\u1eefng t\u00ednh d\u1ebbo kh\u00e1c nhau.<\/p>\n\n\n\n
Ti\u1ebfn h\u00e0nh m\u1ed9t s\u1ed1 th\u00ed nghi\u1ec7m sau \u0111\u1ec3 th\u1ea5y \u0111\u01b0\u1ee3c t\u00ednh d\u1ebbo c\u1ee7a kim lo\u1ea1i.<\/p>\n\n\n\n
STT C\u00e1ch ti\u1ebfn h\u00e0nh Hi\u1ec7n t\u01b0\u1ee3ng x\u1ea3y ra K\u1ebft lu\u1eadn<\/p>\n\n\n\n
1 D\u00f9ng b\u00faa \u0111\u1eadp l\u00ean \u0111o\u1ea1n d\u00e2y s\u1eaft D\u00e2y s\u1eaft b\u1ecb d\u00e1t m\u1ecfng S\u1eaft c\u00f3 t\u00ednh d\u1ebbo<\/p>\n\n\n\n
2 D\u00f9ng tay b\u1ebb m\u1ed9t \u0111o\u1ea1n d\u00e2y nh\u00f4m D\u00e2y nh\u00f4m b\u1ecb cong v\u00e0 kh\u00f4ng g\u00e3y Nh\u00f4m c\u00f3 t\u00ednh d\u1ebbo<\/p>\n\n\n\n
3 D\u00f9ng b\u00faa \u0111\u1eadp ru\u1ed9t b\u00fat ch\u00ec Ru\u1ed9t b\u00fat ch\u00ec b\u1ecb v\u1ee1 v\u1ee5n Ru\u1ed9t b\u00fat ch\u00ec kh\u00f4ng c\u00f3 t\u00ednh d\u1ebbo<\/p>\n\n\n\n
\u1ee8ng d\u1ee5ng ti\u0301nh ch\u00e2\u0301t v\u00e2\u0323t ly\u0301 cu\u0309a kim loa\u0323i<\/p>\n\n\n\n
Kim lo\u1ea1i c\u00f3 t\u00ednh d\u1ebbo do \u0111\u00f3 kim lo\u1ea1i \u0111\u01b0\u1ee3c k\u00e9o s\u1ee3i, r\u00e8n v\u00e0 d\u00e1t m\u1ecfng \u0111\u1ec3 t\u1ea1o n\u00ean c\u00e1c \u0111\u1ed3 v\u1eadt kh\u00e1c nhau ph\u1ee5c v\u1ee5 \u0111\u1eddi s\u1ed1ng con ng\u01b0\u1eddi v\u00e0 s\u1ea3n xu\u1ea5t.<\/p>\n\n\n\n
\u1ee8ng d\u1ee5ng c\u1ee7a t\u00ednh d\u1ebbo<\/p>\n\n\n\n
\u01af\u0301ng du\u0323ng t\u00ednh ch\u1ea5t v\u1eadt li\u0301 c\u1ee7a kim lo\u1ea1i na\u0300y, m\u1ed9t s\u1ed1 v\u1eadt d\u1ee5ng \u0111\u01b0\u01a1\u0323c ch\u00ea\u0301 ta\u0301c t\u1eeb kim lo\u1ea1i: \u0110\u1ed3 trang s\u1ee9c b\u1eb1ng b\u1ea1c, \u0111\u1ed3 trang s\u1ee9c b\u1eb1ng v\u00e0ng, v\u1ecf h\u1ed9p \u0111\u1ef1ng b\u00e1nh k\u1eb9o, d\u00e2y th\u00e9p, d\u00e2y nh\u00f4m d\u00f9ng \u0111\u1ec3 bu\u1ed9c, c\u00e1c con \u1ed1c v\u00edt, k\u00ecm, v\u1ecf xe oto, l\u01b0 l\u01b0\u01a1ng, v\u1ecf \u0111\u1ed3 h\u1ed9p, c\u00e1c c\u00e2y s\u1eaft th\u00e9p d\u00f9ng trong x\u00e2y d\u1ef1ng,\u2026<\/p>\n\n\n\n
Tham kha\u0309o: \u01af\u0301ng du\u0323ng ho\u0323c tr\u01b0\u0323c tuy\u00ea\u0301n ha\u0300ng \u0111\u00e2\u0300u Vi\u00ea\u0323t Nam \u2013 Vietlearn<\/p><\/blockquote>\n\n\n\n
T\u00ednh d\u1eabn \u0111i\u1ec7n<\/p>\n\n\n\n
T\u00ednh ch\u1ea5t v\u1eadt l\u00fd c\u1ee7a kim lo\u1ea1i ti\u1ebfp theo \u0111\u00f3 l\u00e0 t\u00ednh d\u1eabn \u0111i\u1ec7n.<\/p>\n\n\n\n
Khi kim lo\u1ea1i \u0111\u01b0\u1ee3c n\u1ed1i v\u1edbi ngu\u1ed3n \u0111i\u1ec7n ngay l\u1eadp t\u1ee9c c\u00e1c electron t\u1ef1 do s\u1ebd chuy\u1ec3n \u0111\u1ed9ng th\u00e0nh d\u00f2ng trong m\u00f4i tr\u01b0\u1eddng kim lo\u1ea1i. Nhi\u1ec7t \u0111\u1ed9 c\u1ee7a kim lo\u1ea1i c\u00e0ng th\u1ea5p th\u00ec t\u00ednh d\u1eabn \u0111i\u1ec7n c\u00e0ng cao. Hi\u1ec7u t\u01b0\u1ee3ng n\u00e0y \u0111\u01b0\u1ee3c l\u00fd gi\u1ea3i b\u1edfi \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p, t\u1ed1c \u0111\u1ed9 di chuy\u1ec3n c\u1ee7a c\u00e1c ion d\u01b0\u01a1ng trong kim lo\u1ea1i c\u00e0ng nh\u1ecf do v\u1eady d\u00f2ng electron t\u1ef1 do chuy\u1ec3n \u0111\u1ed9ng v\u00e0 kh\u00f4ng b\u1ecb c\u1ea3n tr\u1edf.<\/p>\n\n\n\n
T\u00ednh d\u1eabn \u0111i\u1ec7n c\u1ee7a kim lo\u1ea1i<\/p>\n\n\n\n
C\u00e1c kim lo\u1ea1i kh\u00e1c nhau s\u1ebd c\u00f3 t\u00ednh d\u1eabn \u0111i\u1ec7n kh\u00e1c nhau. Do t\u00ednh d\u1eabn \u0111i\u1ec7n n\u00e0y ph\u1ee5 thu\u1ed9c v\u00e0o m\u1eadt \u0111\u1ed9 electron t\u1ef1 do trong m\u1ed7i kim lo\u1ea1i. Kim lo\u1ea1i c\u00f3 t\u00ednh d\u1eabn \u0111i\u1ec7n t\u1ed1t nh\u1ea5t \u0111\u00f3 l\u00e0 b\u1ea1c (Ag), ti\u1ebfp theo \u0111\u1ebfn \u0111\u1ed3ng (Cu), nh\u00f4m (Al), s\u1eaft (Fe),\u2026 \u0110\u1ed3ng v\u00e0 nh\u00f4m \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng l\u00e0m d\u00e2y d\u1eabn \u0111i\u1ec7n<\/p>\n\n\n\n
T\u00ednh d\u1eabn nhi\u1ec7t<\/p>\n\n\n\n
T\u00ednh ch\u1ea5t v\u00e2\u0323t ly\u0301 c\u1ee7a kim lo\u1ea1i ngo\u00e0i hai t\u00ednh ch\u1ea5t tr\u00ean \u0111\u00f3 l\u00e0 t\u00ednh d\u1eabn nhi\u1ec7t<\/p>\n\n\n\n
Khi ta \u0111\u1ed1t n\u00f3ng m\u1ed9t \u0111o\u1ea1n d\u00e2y kim lo\u1ea1i, c\u00e1c electron t\u1ef1 do c\u00f3 trong d\u00e2y kim lo\u1ea1i chuy\u1ec3n \u0111\u1ed9ng nhanh h\u01a1n. Trong qu\u00e1 tr\u00ecnh di chuy\u1ec3n, c\u00e1c electron n\u00e0y s\u1ebd truy\u1ec1n n\u0103ng l\u01b0\u1ee3ng cho nh\u1eefng ion d\u01b0\u01a1ng n\u1eb1m \u1edf v\u00f9ng c\u00f3 nhi\u1ec7t \u0111\u1ed9 th\u1ea5p, do \u0111\u00f3 kim lo\u1ea1i d\u1eabn \u0111\u01b0\u1ee3c nhi\u1ec7t.<\/p>\n\n\n\n
\u1ee8ng d\u1ee5ng c\u1ee7a t\u00ednh d\u1eabn nhi\u1ec7t<\/p>\n\n\n\n
Nh\u1eefng kim lo\u1ea1i c\u00f3 t\u00ednh d\u1eabn \u0111i\u1ec7n t\u1ed1t s\u1ebd d\u1eabn nhi\u1ec7t t\u1ed1t. B\u00ean c\u1ea1nh \u0111\u00f3, c\u00e1c kim lo\u1ea1i kh\u00e1c nhau th\u00ec c\u00f3 kh\u1ea3 n\u0103ng d\u1eabn \u0111i\u1ec7n kh\u00e1c nhau. Ch\u1eb3ng h\u1ea1n nh\u01b0 kim lo\u1ea1i b\u1ea1c c\u00f3 t\u00ednh d\u1eabn nhi\u1ec7t t\u1ed1t h\u01a1n kim lo\u1ea1i \u0111\u1ed3ng, kim lo\u1ea1i nh\u00f4m c\u00f3 t\u00ednh d\u1eabn \u0111i\u1ec7n t\u1ed1t h\u01a1n kim lo\u1ea1i s\u1eaft,\u2026 Nh\u1edd t\u00ednh d\u1eabn nhi\u1ec7t c\u1ee7a kim lo\u1ea1i m\u00e0 m\u1ed9t s\u1ed1 ch\u00fang \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 l\u00e0m c\u00e1c d\u1ee5ng c\u1ee5 n\u1ea5u \u0103n.<\/p>\n\n\n\n
\u00c1nh kim<\/p>\n\n\n\n
T\u00ednh ch\u1ea5t v\u1eadt l\u00fd c\u1ee7a kim lo\u1ea1i l\u1edbp 9 cu\u1ed1i c\u00f9ng l\u00e0 t\u00ednh \u00e1nh kim.<\/p>\n\n\n\n
\u0110a s\u1ed1 c\u00e1c kim lo\u1ea1i \u0111\u1ec1u c\u00f3 t\u00ednh \u00e1nh kim. B\u1edfi c\u00e1c electron t\u1ef1 do c\u00f3 trong kim lo\u1ea1i \u0111\u00e3 ph\u1ea3n x\u1ea1 v\u1edbi c\u00e1c tia s\u00e1ng c\u00f3 b\u01b0\u1edbc s\u00f3ng, v\u00e0 ph\u1ea3n \u1ee9ng n\u00e0y m\u1eaft ta c\u00f3 th\u1ec3 nh\u00ecn th\u1ea5y trong \u0111i\u1ec1u ki\u1ec7n b\u00ecnh th\u01b0\u1eddng.<\/p>\n\n\n\n
\u1ee8ng d\u1ee5ng c\u1ee7a t\u00ednh \u00e1nh kim: Nh\u1edd c\u00f3 \u00e1nh kim do \u0111\u00f3 m\u1ed9t s\u1ed1 \u00edt kim lo\u1ea1i \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0 \u0111\u1ed3 trang s\u1ee9c c\u00f3 gi\u00e1 tr\u1ecb cao nh\u01b0: v\u00e0ng, b\u1ea1c,\u2026Ch\u00fang r\u1ea5t \u0111\u01b0\u1ee3c m\u1ecdi ng\u01b0\u1eddi \u01b0a chu\u1ed9ng b\u1edfi \u00e1nh kim s\u00e1ng l\u1ea5p l\u00e1nh.<\/p>\n\n\n\n
\u0110\u0103ng ky\u0301 ho\u0323c th\u01b0\u0309 mi\u00ea\u0303n phi\u0301 m\u00f4n Ho\u0301a ho\u0323c t\u01b0\u0300 l\u01a1\u0301p 8 \u0111\u00ea\u0301n l\u01a1\u0301p 12<\/p><\/blockquote>\n\n\n\n
\u1ee8ng d\u1ee5ng t\u00ednh \u00e1nh kim<\/p>\n\n\n\n
M\u00f4\u0323t s\u00f4\u0301 t\u00ednh ch\u1ea5t v\u00e2\u0323t ly\u0301 c\u1ee7a kim lo\u1ea1i kha\u0301c<\/p>\n\n\n\n
Ngo\u00e0i nh\u1eefng t\u00ednh ch\u1ea5t v\u1eadt l\u00fd c\u1ee7a kim lo\u1ea1i 12 n\u00eau tr\u00ean, ch\u00fang c\u00f2n c\u00f3 m\u1ed9t s\u1ed1 nh\u1eefng t\u00ednh ch\u1ea5t v\u1eadt l\u00fd ri\u00eang c\u1ee7a kim lo\u1ea1i nh\u01b0 sau:<\/p>\n\n\n\n
T\u1ec9 kh\u1ed1i<\/p>\n\n\n\n
C\u00e1c kim lo\u1ea1i kh\u00f4ng gi\u1ed1ng nhau s\u1ebd c\u00f3 nh\u1eefng t\u1ec9 kh\u1ed1i kh\u00e1c nhau. Liti (Li) l\u00e0 kim lo\u1ea1i c\u00f3 t\u1ec9 kh\u1ed1i b\u00e9 nh\u1ea5t l\u00e0 0,5. V\u00e0 ng\u01b0\u1ee3c l\u1ea1i Osimi (Os) l\u00e0 kim lo\u1ea1i c\u00f3 t\u1ec9 kh\u1ed1i l\u1edbn nh\u1ea5t l\u00e0 22,6.<\/p>\n\n\n\n
T\u1ec9 kh\u1ed1i c\u1ee7a kim lo\u1ea1i \u0111\u01b0\u1ee3c quy \u01b0\u1edbc nh\u01b0 sau:<\/p>\n\n\n\n
Kim lo\u1ea1i n\u00e0o c\u00f3 t\u1ec9 kh\u1ed1i b\u00e9 h\u01a1n 5, \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 kim lo\u1ea1i nh\u1eb9. V\u00ed d\u1ee5: K, Al, Na, Mg,\u2026<\/p>\n\n\n\n
Kim lo\u1ea1i n\u00e0o c\u00f3 t\u1ec9 kh\u1ed1i cao h\u01a1n 5,\u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 kim lo\u1ea1i n\u1eb7ng. V\u00ed d\u1ee5: Ag, Fe, Au, Cu, Zn,\u2026<\/p>\n\n\n\n
Nhi\u1ec7t \u0111\u1ed9 n\u00f3ng ch\u1ea3y<\/p>\n\n\n\n
M\u1ed7i m\u1ed9t kim lo\u1ea1i c\u00f3 nhi\u1ec7t \u0111\u1ed9 n\u00f3ng ch\u1ea3y kh\u00e1c nhau. Th\u1ee7y ng\u00e2n (Hg) l\u00e0 kim lo\u1ea1i c\u00f3 nhi\u1ec7t \u0111\u1ed9 n\u00f3ng ch\u1ea3y nh\u1ecf nh\u1ea5t -39 \u0111\u1ed9 C v\u00e0 Vonfram (W) l\u00e0 kim lo\u1ea1i c\u00f3 nhi\u1ec7t \u0111\u1ed9 n\u00f3ng ch\u1ea3y l\u1edbn nh\u1ea5t 3422 \u0111\u1ed9 C.<\/p>\n\n\n\n
Tham kha\u0309o: \u01af\u0301ng du\u0323ng ho\u0323c tr\u01b0\u0323c tuy\u00ea\u0301n ha\u0300ng \u0111\u00e2\u0300u Vi\u00ea\u0323t Nam \u2013 Vietlearn<\/p><\/blockquote>\n\n\n\n
\u0110\u1ed9 c\u1ee9ng<\/p>\n\n\n\n
C\u00e1c kim lo\u1ea1i kh\u00f4ng gi\u1ed1ng nhau s\u1ebd c\u00f3 \u0111\u1ed9 c\u1ee9ng kh\u00f4ng gi\u1ed1ng nhau. B\u1ea1n c\u00f3 bi\u1ebft c\u00f3 nh\u1eefng kim lo\u1ea1i m\u1ec1m nh\u01b0 s\u00e1p, c\u00f3 th\u1ec3 d\u00f9ng dao c\u1eaft \u0111\u01b0\u1ee3c kh\u00f4ng, \u0111\u00f3 l\u00e0 kim lo\u1ea1i kali (K), Natri (Na),\u2026B\u00ean c\u1ea1nh \u0111\u00f3, ch\u00fang l\u1ea1i c\u00f3 nh\u1eefng lo\u1ea1i r\u1ea5t c\u1ee9ng, kh\u00f4ng th\u1ec3 \u0111\u1ee5c d\u0169a \u0111\u01b0\u1ee3c l\u00e0 Crom (Cr), Vonfram (W),\u2026<\/p>\n\n\n\n
B\u00e0i vi\u1ebft tr\u00ean \u0111\u00e2y \u0111\u00e3 cung c\u1ea5p cho b\u1ea1n \u0111\u1ecdc nh\u1eefng ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n<\/a> v\u1ec1 t\u00ednh ch\u1ea5t v\u00e2\u0323t ly\u0301 c\u1ee7a kim lo\u1ea1i, ch\u00fang \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng trong \u0111\u1eddi s\u1ed1ng v\u00e0 s\u1ea3n xu\u1ea5t nh\u01b0 th\u1ebf n\u00e0o. Hy v\u1ecdng b\u00e0i vi\u1ebft c\u1ee7a ch\u00fang t\u00f4i s\u1ebd gi\u00fap b\u1ea1n h\u1ecdc t\u1eadp<\/a> v\u00e0 nghi\u00ean c\u1ee9u \u0111\u01b0\u1ee3c nhi\u1ec1u ki\u1ebfn th\u1ee9c. Ch\u00fac b\u1ea1n th\u00e0nh c\u00f4ng!<\/p>\n\n\n\n
<\/p>\n\n\n\n
D\u00e3y ho\u1ea1t \u0111\u1ed9ng h\u00f3a h\u1ecdc c\u1ee7a kim lo\u1ea1i \u0111\u1ea7y \u0111\u1ee7 l\u1edbp 9<\/p>\n\n\n\n
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<\/p>\n\n\n\n\n\n\n","protected":false},"excerpt":{"rendered":"
Ghi ch\u00fa: T\u00e0i li\u1ec7u tr\u00edch d\u1eabn Trong cu\u1ed9c s\u1ed1ng c\u1ee7a ch\u00fang ta, kim lo\u1ea1i c\u00f3 vai tr\u00f2 r\u1ea5t quan tr\u1ecdng. Kim lo\u1ea1i trong t\u1ef1 nhi\u00ean \u00edt ph\u1ed5 bi\u1ebfn h\u01a1n phi kim nh\u01b0ng ch\u00fang l\u1ea1i chi\u1ebfm \u0111\u1ebfn 80% trong b\u1ea3ng h\u1ec7 th\u1ed1ng tu\u1ea7n ho\u00e0n. C\u00e1c kim lo\u1ea1i th\u00f4ng d\u1ee5ng nh\u01b0: \u0111\u1ed3ng, nh\u00f4m, ch\u00ec, v\u00e0ng, k\u1ebdm, s\u1eaft, […]<\/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":[8,4],"tags":[],"class_list":["post-778","post","type-post","status-publish","format-standard","hentry","category-hoa-hoc","category-trung-hoc"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/778","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=778"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/778\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=778"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=778"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=778"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}