{"segment":[{"time":24,"part":[{"title":"Ch\u1ecdn ph\u01b0\u01a1ng \u00e1n \u0110\u00daNG","title_trans":"","temp":"multiple_choice","correct":[[4]],"list":[{"point":5,"ques":" Trong b\u1ea3ng tu\u1ea7n ho\u00e0n, c\u00e1c nguy\u00ean t\u1ed1 \u0111\u01b0\u1ee3c s\u1eafp x\u1ebfp theo nguy\u00ean t\u1eafc","select":["A. Theo chi\u1ec1u t\u0103ng c\u1ee7a \u0111i\u1ec7n t\u00edch h\u1ea1t nh\u00e2n","B. C\u00e1c nguy\u00ean t\u1ed1 c\u00f3 c\u00f9ng s\u1ed1 l\u1edbp electron trong nguy\u00ean t\u1eed \u0111\u01b0\u1ee3c x\u1ebfp th\u00e0nh 1 h\u00e0ng","C. C\u00e1c nguy\u00ean t\u1ed1 c\u00f3 c\u00f9ng s\u1ed1 electron h\u00f3a tr\u1ecb trong nguy\u00ean t\u1eed \u0111\u01b0\u1ee3c x\u1ebfp th\u00e0nh m\u1ed9t c\u1ed9t","D. T\u1ea5t c\u1ea3 \u0111\u1ec1u \u0111\u00fang"],"hint":"","explain":"<span class='basic_left'>Trong b\u1ea3ng tu\u1ea7n ho\u00e0n, c\u00e1c nguy\u00ean t\u1ed1 \u0111\u01b0\u1ee3c s\u1eafp x\u1ebfp theo nguy\u00ean t\u1eafc:<br\/>Theo chi\u1ec1u t\u0103ng c\u1ee7a \u0111i\u1ec7n t\u00edch h\u1ea1t nh\u00e2n. <br\/>C\u00e1c nguy\u00ean t\u1ed1 c\u00f3 c\u00f9ng s\u1ed1 l\u1edbp electron trong nguy\u00ean t\u1eed \u0111\u01b0\u1ee3c x\u1ebfp th\u00e0nh 1 h\u00e0ng. <br\/>C\u00e1c nguy\u00ean t\u1ed1 c\u00f3 c\u00f9ng s\u1ed1 electron h\u00f3a tr\u1ecb trong nguy\u00ean t\u1eed \u0111\u01b0\u1ee3c x\u1ebfp th\u00e0nh m\u1ed9t c\u1ed9t<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n l\u00e0 D.<\/span><\/span> ","column":1}]}],"id_ques":2291},{"time":24,"part":[{"title":"Ch\u1ecdn ph\u01b0\u01a1ng \u00e1n \u0110\u00daNG","title_trans":"","temp":"multiple_choice","correct":[[3]],"list":[{"point":5,"ques":" Ph\u00e1t bi\u1ec3u n\u00e0o sau \u0111\u00e2y l\u00e0 kh\u00f4ng \u0111\u00fang","select":["A. B\u1ea3ng tu\u1ea7n ho\u00e0n g\u1ed3m c\u00f3 c\u00e1c \u00f4 nguy\u00ean t\u1ed1, c\u00e1c chu k\u00ec v\u00e0 c\u00e1c nh\u00f3m","B. Chu k\u00ec l\u00e0 d\u00e3y c\u00e1c nguy\u00ean t\u1ed1 m\u00e0 nguy\u00ean t\u1eed c\u1ee7a ch\u00fang c\u00f3 c\u00f9ng s\u1ed1 l\u1edbp electron, s\u1eafp x\u1ebfp theo Z t\u0103ng d\u1ea7n","C. B\u1ea3ng tu\u1ea7n ho\u00e0n c\u00f3 8 chu k\u00ec, s\u1ed1 th\u1ee9 t\u1ef1 c\u1ee7a chu k\u00ec b\u1eb1ng s\u1ed1 ph\u00e2n l\u1edbp electron trong nguy\u00ean t\u1eed ","D. B\u1ea3ng tu\u1ea7n ho\u00e0n \u0111\u01b0\u1ee3c s\u1eafp x\u1ebfp theo chi\u1ec1u \u0111i\u1ec7n t\u00edch h\u1ea1t nh\u00e2n t\u0103ng d\u1ea7n"],"hint":"","explain":"<span class='basic_left'>B\u1ea3ng tu\u1ea7n ho\u00e0n c\u00f3 7 chu k\u00ec, s\u1ed1 th\u1ee9 t\u1ef1 c\u1ee7a chu k\u00ec b\u1eb1ng s\u1ed1 ph\u00e2n l\u1edbp electron trong nguy\u00ean t\u1eed<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n l\u00e0 C.<\/span><\/span> ","column":1}]}],"id_ques":2292},{"time":24,"part":[{"title":"Ch\u1ecdn ph\u01b0\u01a1ng \u00e1n \u0110\u00daNG","title_trans":"","temp":"multiple_choice","correct":[[3]],"list":[{"point":5,"ques":" Trong 1 chu k\u1ef3 (tr\u1eeb chu k\u00ec 1), \u0111i t\u1eeb tr\u00e1i sang ph\u1ea3i t\u00ednh ch\u1ea5t c\u1ee7a c\u00e1c nguy\u00ean t\u1ed1 bi\u1ebfn \u0111\u1ed5i nh\u01b0 sau ","select":["A. t\u00ednh kim lo\u1ea1i v\u00e0 t\u00ednh phi kim \u0111\u1ec1u gi\u1ea3m d\u1ea7n. ","B. t\u00ednh kim lo\u1ea1i v\u00e0 t\u00ednh phi kim \u0111\u1ec1u t\u0103ng d\u1ea7n.","C. t\u00ednh kim lo\u1ea1i gi\u1ea3m \u0111\u1ed3ng th\u1eddi t\u00ednh phi kim t\u0103ng d\u1ea7n. ","D. t\u00ednh kim lo\u1ea1i t\u0103ng d\u1ea7n \u0111\u1ed3ng th\u1eddi t\u00ednh phi kim gi\u1ea3m d\u1ea7n"],"hint":"","explain":"<span class='basic_left'>Trong 1 chu k\u1ef3 (tr\u1eeb chu k\u00ec 1), \u0111i t\u1eeb tr\u00e1i sang ph\u1ea3i t\u00ednh kim lo\u1ea1i gi\u1ea3m d\u1ea7n, t\u00ednh phi kim t\u0103ng d\u1ea7n<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n l\u00e0 C.<\/span><\/span> ","column":1}]}],"id_ques":2293},{"time":24,"part":[{"title":"Ch\u1ecdn ph\u01b0\u01a1ng \u00e1n \u0110\u00daNG","title_trans":"","temp":"multiple_choice","correct":[[3]],"list":[{"point":5,"ques":" D\u00e3y c\u00e1c kim lo\u1ea1i n\u00e0o sau \u0111\u00e2y \u0111\u01b0\u1ee3c s\u1eafp x\u1ebfp theo chi\u1ec1u t\u00ednh kim lo\u1ea1i t\u0103ng d\u1ea7n","select":["A. K, Fe, Cu.","B. K, Fe, Cu.","C. Cu, Fe, K. ","D. Fe, Cu, K"],"hint":"","explain":"<span class='basic_left'>C\u00e1c nguy\u00ean t\u1ed1 K, Fe, Cu \u0111\u1ec1u thu\u1ed9c chu k\u00ec 4. T\u00ednh kim lo\u1ea1i t\u0103ng d\u1ea7n l\u00e0: Cu, Fe, K.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n l\u00e0 C.<\/span><\/span> ","column":2}]}],"id_ques":2294},{"time":24,"part":[{"title":"Ch\u1ecdn ph\u01b0\u01a1ng \u00e1n \u0110\u00daNG","title_trans":"","temp":"multiple_choice","correct":[[4]],"list":[{"point":5,"ques":" Nh\u00f3m c\u00e1c nguy\u00ean t\u1ed1 \u0111\u01b0\u1ee3c s\u1eafp x\u1ebfp theo chi\u1ec1u t\u00ednh phi kim t\u0103ng d\u1ea7n l\u00e0 ","select":["A. O, F, N ","B. F, O, N. ","C. O, N, F ","D. N, O, F"],"hint":"","explain":"<span class='basic_left'>C\u00e1c nguy\u00ean t\u1ed1 phi kim tr\u00ean \u0111\u1ec1u thu\u1ed9c chu k\u00ec 2. T\u00ednh phi kim t\u0103ng d\u1ea7n l\u00e0: N, O, F<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n l\u00e0 D.<\/span><\/span> ","column":2}]}],"id_ques":2295},{"time":24,"part":[{"title":"Ch\u1ecdn ph\u01b0\u01a1ng \u00e1n \u0110\u00daNG","title_trans":"","temp":"multiple_choice","correct":[[3]],"list":[{"point":5,"ques":" C\u00e1c nguy\u00ean t\u1ed1 x\u1ebfp \u1edf chu k\u00ec 6 c\u00f3 s\u1ed1 l\u1edbp electron trong nguy\u00ean t\u1eed","select":["A. 3 ","B. 5","C. 6 ","D. 7"],"hint":"","explain":"<span class='basic_left'>S\u1ed1 l\u1edbp electron b\u1eb1ng s\u1ed1 th\u1ee9 t\u1ef1 c\u1ee7a chu k\u00ec<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n l\u00e0 C.<\/span><\/span> ","column":2}]}],"id_ques":2296},{"time":24,"part":[{"title":"Ch\u1ecdn ph\u01b0\u01a1ng \u00e1n \u0110\u00daNG","title_trans":"","temp":"multiple_choice","correct":[[3]],"list":[{"point":5,"ques":" Chu k\u00ec I g\u1ed3m c\u00e1c nguy\u00ean t\u1ed1:","select":["A. Kim lo\u1ea1i ki\u1ec1m th\u1ed5 ","B. Halogen ","C. Kim lo\u1ea1i ki\u1ec1m ","D. Nguy\u00ean t\u1ed1 nh\u00f3m oxi"],"hint":"","explain":"<span class='basic_left'>Chu k\u00ec I g\u1ed3m c\u00e1c nguy\u00ean t\u1ed1 kim lo\u1ea1i ki\u1ec1m.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n l\u00e0 C.<\/span><\/span> ","column":2}]}],"id_ques":2297},{"time":24,"part":[{"title":"Ch\u1ecdn ph\u01b0\u01a1ng \u00e1n \u0110\u00daNG","title_trans":"","temp":"multiple_choice","correct":[[4]],"list":[{"point":5,"ques":" Nguy\u00ean t\u1ed1 X c\u00f3 3 l\u1edbp electron, s\u1ed1 e l\u1edbp ngo\u00e0i c\u00f9ng l\u00e0 1. V\u1eady X thu\u1ed9c ","select":["A. Nh\u00f3m III ","B. Nh\u00f3m VII ","C. Chu k\u00ec 1 ","D. Chu k\u00ec 3"],"hint":"","explain":"<span class='basic_left'>Nguy\u00ean t\u1ed1 X c\u00f3 3 l\u1edbp electron n\u00ean X thu\u1ed9c chu k\u00ec 3. S\u1ed1 e l\u1edbp ngo\u00e0i c\u00f9ng l\u00e0 1 n\u00ean X thu\u1ed9c nh\u00f3m I<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n l\u00e0 D.<\/span><\/span> ","column":2}]}],"id_ques":2298},{"time":24,"part":[{"title":"Ch\u1ecdn ph\u01b0\u01a1ng \u00e1n \u0110\u00daNG","title_trans":"","temp":"multiple_choice","correct":[[3]],"list":[{"point":5,"ques":" Nguy\u00ean t\u1ed1 thu\u1ed9c ph\u00e2n nh\u00f3m ch\u00ednh nh\u00f3m VII (VIIA) c\u00f2n g\u1ecdi l\u00e0","select":["A. kim lo\u1ea1i ki\u1ec1m","B. kim lo\u1ea1i ki\u1ec1m th\u1ed5","C. halogen ","D. kh\u00ed hi\u1ebfm"],"hint":"","explain":"<span class='basic_left'>Nguy\u00ean t\u1ed1 thu\u1ed9c ph\u00e2n nh\u00f3m ch\u00ednh nh\u00f3m VII (VIIA) l\u00e0 c\u00e1c nguy\u00ean t\u1ed1 halogen<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n l\u00e0 C.<\/span><\/span> ","column":2}]}],"id_ques":2299},{"time":24,"part":[{"title":"Ch\u1ecdn ph\u01b0\u01a1ng \u00e1n \u0110\u00daNG","title_trans":"","temp":"multiple_choice","correct":[[2]],"list":[{"point":5,"ques":" Bi\u1ebft X c\u00f3 c\u1ea5u t\u1ea1o nguy\u00ean t\u1eed nh\u01b0 sau: \u0111i\u1ec7n t\u00edch h\u1ea1t nh\u00e2n l\u00e0 $13^+$, c\u00f3 3 l\u1edbp electron, l\u1edbp ngo\u00e0i c\u00f9ng c\u00f3 3 electron. V\u1ecb tr\u00ed c\u1ee7a X trong b\u1ea3ng tu\u1ea7n ho\u00e0n l\u00e0:","select":["A. chu k\u1ef3 3, nh\u00f3m II","B. chu k\u1ef3 3, nh\u00f3m III. ","C. chu k\u1ef3 2, nh\u00f3m II.","D. chu k\u1ef3 2, nh\u00f3m III."],"hint":"","explain":"<span class='basic_left'>X c\u00f3 3 l\u1edbp electron n\u00ean X thu\u1ed9c chu k\u00ec 3, l\u1edbp ngo\u00e0i c\u00f9ng c\u00f3 3 electron n\u00ean thu\u1ed9c nh\u00f3m III<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n l\u00e0 B.<\/span><\/span> ","column":2}]}],"id_ques":2300},{"time":24,"part":[{"title":"Ch\u1ecdn ph\u01b0\u01a1ng \u00e1n \u0110\u00daNG","title_trans":"","temp":"multiple_choice","correct":[[1]],"list":[{"point":5,"ques":" Nguy\u00ean t\u1ed1 A c\u00f3 s\u1ed1 hi\u1ec7u nguy\u00ean t\u1eed l\u00e0 11, chu k\u1ef3 3, nh\u00f3m I trong b\u1ea3ng tu\u1ea7n ho\u00e0n c\u00e1c nguy\u00ean t\u1ed1 h\u00f3a h\u1ecdc. Ph\u00e1t bi\u1ec3u n\u00e0o sau \u0111\u00e2y \u0111\u00fang ","select":["A. \u0110i\u1ec7n t\u00edch h\u1ea1t nh\u00e2n $11^+$, 3 l\u1edbp electron, l\u1edbp ngo\u00e0i c\u00f9ng c\u00f3 1 electron, kim lo\u1ea1i m\u1ea1nh.","B. \u0110i\u1ec7n t\u00edch h\u1ea1t nh\u00e2n $11^+$, 1 l\u1edbp electron, l\u1edbp ngo\u00e0i c\u00f9ng c\u00f3 3 electron, kim lo\u1ea1i m\u1ea1nh","C. \u0110i\u1ec7n t\u00edch h\u1ea1t nh\u00e2n $11^+$, 3 l\u1edbp electron, l\u1edbp ngo\u00e0i c\u00f9ng c\u00f3 3 electron, kim lo\u1ea1i y\u1ebfu","D. \u0110i\u1ec7n t\u00edch h\u1ea1t nh\u00e2n $11^+$, 3 l\u1edbp electron, l\u1edbp ngo\u00e0i c\u00f9ng c\u00f3 1 electron, kim lo\u1ea1i y\u1ebfu"],"hint":"","explain":"<span class='basic_left'>Nguy\u00ean t\u1ed1 A c\u00f3 s\u1ed1 hi\u1ec7u nguy\u00ean t\u1eed l\u00e0 11 n\u00ean c\u00f3 \u0111i\u1ec7n t\u00edch h\u1ea1t nh\u00e2n l\u00e0 11, chu k\u1ef3 3 n\u00ean c\u00f3 3 l\u1edbp eletron, nh\u00f3m I n\u00ean s\u1ed1 e l\u1edbp ngo\u00e0i c\u00f9ng l\u00e0 1 v\u00e0 l\u00e0 nguy\u00ean t\u1ed1 kim lo\u1ea1i ki\u1ec1m<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n l\u00e0 A.<\/span><\/span> ","column":1}]}],"id_ques":2301},{"time":24,"part":[{"title":"Ch\u1ecdn ph\u01b0\u01a1ng \u00e1n \u0110\u00daNG","title_trans":"","temp":"multiple_choice","correct":[[1]],"list":[{"point":5,"ques":" Cho d\u00e3y c\u00e1c nguy\u00ean t\u1ed1 nh\u00f3m IIA : Mg \u2013 Ca \u2013 Sr \u2013 Ba. T\u1eeb Mg \u0111\u1ebfn Ba, theo chi\u1ec1u \u0111i\u1ec7n t\u00edch h\u1ea1t nh\u00e2n t\u0103ng, t\u00ednh kim lo\u1ea1i thay \u0111\u1ed5i theo chi\u1ec1u:","select":["A. t\u0103ng d\u1ea7n","B. gi\u1ea3m d\u1ea7n","C. t\u0103ng r\u1ed3i gi\u1ea3m ","D. gi\u1ea3m r\u1ed3i t\u0103ng "],"hint":"","explain":"<span class='basic_left'>Trong 1 nh\u00f3m t\u00ednh kim lo\u1ea1i t\u0103ng d\u1ea7n<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n l\u00e0 A.<\/span><\/span> ","column":2}]}],"id_ques":2302},{"time":24,"part":[{"title":"Ch\u1ecdn ph\u01b0\u01a1ng \u00e1n \u0110\u00daNG","title_trans":"","temp":"multiple_choice","correct":[[2]],"list":[{"point":5,"ques":" Trong b\u1ea3ng tu\u1ea7n ho\u00e0n, nguy\u00ean t\u1ed1 X c\u00f3 s\u1ed1 th\u1ee9 t\u1ef1 16, nguy\u00ean t\u1ed1 X thu\u1ed9c","select":["A. Chu k\u00ec 3, nh\u00f3m IV ","B. Chu k\u00ec 3, nh\u00f3m VI ","C. Chu k\u00ec 4, nh\u00f3m IV ","D. Chu k\u00ec 4, nh\u00f3m III "],"hint":"","explain":"<span class='basic_left'>X c\u00f3 s\u1ed1 th\u1ee9 t\u1ef1 16 n\u00ean X c\u00f3 16e \u0111\u01b0\u1ee3c ph\u00e2n b\u1ed1 v\u00e0o c\u00e1c l\u1edbp e nh\u01b0 sau: <br\/> l\u1edbp 1: c\u00f3 2e <br\/> l\u1edbp 2: c\u00f3 8e <br\/> l\u1edbp 3: c\u00f3 6e. <br\/> N\u00ean X thu\u1ed9c chu k\u00ec 3, nh\u00f3m VIA<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n l\u00e0 B.<\/span><\/span> ","column":2}]}],"id_ques":2303},{"time":24,"part":[{"title":"Ch\u1ecdn ph\u01b0\u01a1ng \u00e1n \u0110\u00daNG","title_trans":"","temp":"multiple_choice","correct":[[3]],"list":[{"point":5,"ques":" Nguy\u00ean t\u1eed c\u1ee7a nguy\u00ean t\u1ed1 X c\u00f3 3 l\u1edbp electron, l\u1edbp electron ngo\u00e0i c\u00f9ng c\u00f3 7 electron. V\u1ecb tr\u00ed v\u00e0 t\u00ednh ch\u1ea5t c\u01a1 b\u1ea3n c\u1ee7a nguy\u00ean t\u1ed1 X l\u00e0 ","select":["A. thu\u1ed9c chu k\u1ef3 3, nh\u00f3m VII l\u00e0 kim lo\u1ea1i m\u1ea1nh","B. thu\u1ed9c chu k\u1ef3 7, nh\u00f3m III l\u00e0 kim lo\u1ea1i y\u1ebfu","C. thu\u1ed9c chu k\u1ef3 3, nh\u00f3m VII l\u00e0 phi kim m\u1ea1nh","D. thu\u1ed9c chu k\u1ef3 3, nh\u00f3m VII l\u00e0 phi kim y\u1ebfu"],"hint":"","explain":"<span class='basic_left'>Nguy\u00ean t\u1eed c\u1ee7a nguy\u00ean t\u1ed1 X c\u00f3 3 l\u1edbp electron n\u00ean thu\u1ed9c chu k\u00ec 3, l\u1edbp electron ngo\u00e0i c\u00f9ng c\u00f3 7 electron n\u00ean thu\u1ed9c nh\u00f3m VII v\u00e0 l\u00e0 phi kim m\u1ea1nh.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n l\u00e0 C.<\/span><\/span> ","column":1}]}],"id_ques":2304},{"time":24,"part":[{"title":"Ch\u1ecdn ph\u01b0\u01a1ng \u00e1n \u0110\u00daNG","title_trans":"","temp":"multiple_choice","correct":[[2]],"list":[{"point":5,"ques":" Trong h\u1ee3p ch\u1ea5t kh\u00ed $XO_2$ nguy\u00ean t\u1ed1 X chi\u1ebfm 50% kh\u1ed1i l\u01b0\u1ee3ng. X thu\u1ed9c","select":["A. Chu k\u00ec 2, nh\u00f3m VI","B. Chu k\u00ec 3, nh\u00f3m VI ","C. Chu k\u00ec 2, nh\u00f3m IV","D. Chu k\u00ec 3, nh\u00f3m IV"],"hint":"","explain":"<span class='basic_left'>$\\begin{aligned} & \\%{{m}_{X}}=\\dfrac{X}{X+32}.100\\%=50\\% \\\\ & \\Rightarrow X=32\\,(S) \\\\ \\end{aligned}$ <br\/>S c\u00f3 s\u1ed1 hi\u1ec7u nguy\u00ean t\u1eed l\u00e0 16 n\u00ean l\u1edbp 1 c\u00f3 2e, l\u1edbp 2 c\u00f3 8e, l\u1edbp 3 c\u00f3 6e. V\u1eady S thu\u1ed9c chu k\u00ec 3, nh\u00f3m VI<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n l\u00e0 B.<\/span><\/span> ","column":2}]}],"id_ques":2305},{"time":24,"part":[{"title":"Ch\u1ecdn ph\u01b0\u01a1ng \u00e1n \u0110\u00daNG","title_trans":"","temp":"multiple_choice","correct":[[2]],"list":[{"point":5,"ques":"Trong chu k\u1ef3 2, X l\u00e0 nguy\u00ean t\u1ed1 \u0111\u1ee9ng \u0111\u1ea7u chu k\u1ef3, c\u00f2n Y l\u00e0 nguy\u00ean t\u1ed1 \u0111\u1ee9ng cu\u1ed1i chu k\u1ef3 nh\u01b0ng tr\u01b0\u1edbc kh\u00ed hi\u1ebfm. Nguy\u00ean t\u1ed1 X v\u00e0 Y c\u00f3 t\u00ednh ch\u1ea5t sau ","select":["A. X l\u00e0 kim lo\u1ea1i m\u1ea1nh, Y l\u00e0 phi kim y\u1ebfu.","B. X l\u00e0 kim lo\u1ea1i m\u1ea1nh, Y l\u00e0 phi kim m\u1ea1nh.","C. X l\u00e0 kim lo\u1ea1i y\u1ebfu, Y l\u00e0 phi kim m\u1ea1nh ","D. X l\u00e0 kim lo\u1ea1i y\u1ebfu, Y l\u00e0 phi kim y\u1ebfu."],"hint":"","explain":"<span class='basic_left'>X l\u00e0 nguy\u00ean t\u1ed1 \u0111\u1ee9ng \u0111\u1ea7u chu k\u1ef3 n\u00ean l\u00e0 nguy\u00ean t\u1ed1 c\u00f3 t\u00ednh kim lo\u1ea1i m\u1ea1nh. Y l\u00e0 nguy\u00ean t\u1ed1 \u0111\u1ee9ng cu\u1ed1i chu k\u1ef3 nh\u01b0ng tr\u01b0\u1edbc kh\u00ed hi\u1ebfm n\u00ean Y c\u00f3 t\u00ednh phi kim m\u1ea1nh.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n l\u00e0 B.<\/span><\/span> ","column":1}]}],"id_ques":2306},{"time":24,"part":[{"title":"Ch\u1ecdn ph\u01b0\u01a1ng \u00e1n \u0110\u00daNG","title_trans":"","temp":"multiple_choice","correct":[[4]],"list":[{"point":5,"ques":"Nguy\u00ean t\u1ed1 X c\u00f3 hi\u1ec7u s\u1ed1 nguy\u00ean t\u1eed l\u00e0 9. \u0110i\u1ec1u kh\u1eb3ng \u0111\u1ecbnh n\u00e0o sau \u0111\u00e2y KH\u00d4NG \u0111\u00fang ","select":["A. \u0110i\u1ec7n t\u00edch h\u1ea1t nh\u00e2n c\u1ee7a nguy\u00ean t\u1eed l\u00e0 9+, nguy\u00ean t\u1eed c\u00f3 9 electron","B. Nguy\u00ean t\u1eed X \u1edf g\u1ea7n cu\u1ed1i chu k\u1ef3 2, \u0111\u1ea7u nh\u00f3m VII","C. X l\u00e0 1 phi kim ho\u1ea1t \u0111\u1ed9ng m\u1ea1nh ","D. X l\u00e0 1 kim lo\u1ea1i ho\u1ea1t \u0111\u1ed9ng y\u1ebfu."],"hint":"","explain":"<span class='basic_left'>Nguy\u00ean t\u1ed1 X c\u00f3 hi\u1ec7u s\u1ed1 nguy\u00ean t\u1eed l\u00e0 9 n\u00ean c\u00f3 9e. L\u1edbp 1 c\u00f3 2e, l\u1edbp 2 c\u00f3 7e. <br\/>V\u1eady X thu\u1ed9c chu k\u00ec 2, nh\u00f3m VII n\u00ean X l\u00e0 nguy\u00ean t\u1ed1 phi kim m\u1ea1nh.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n l\u00e0 D.<\/span><\/span> ","column":1}]}],"id_ques":2307},{"time":24,"part":[{"title":"Ch\u1ecdn ph\u01b0\u01a1ng \u00e1n \u0110\u00daNG","title_trans":"","temp":"multiple_choice","correct":[[1]],"list":[{"point":5,"ques":"Nguy\u00ean t\u1ed1 M thu\u1ed9c chu k\u00ec 3, nh\u00f3m IVA c\u1ee7a b\u1ea3ng tu\u1ea7n ho\u00e0n. S\u1ed1 hi\u1ec7u nguy\u00ean t\u1eed c\u1ee7a nguy\u00ean t\u1ed1 M l\u00e0","select":["A. 14","B. 16","C. 28 ","D. 35"],"hint":"","explain":"<span class='basic_left'>M thu\u1ed9c chu k\u00ec 3 n\u00ean c\u00f3 3 l\u1edbp e. M thu\u1ed9c nh\u00f3m IV n\u00ean l\u1edbp e ngo\u00e0i c\u00f9ng c\u00f3 4e. T\u1ed5ng s\u1ed1 e c\u1ee7a 3 l\u1edbp e l\u00e0 2 + 8 + 4 = 14<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n l\u00e0 A.<\/span><\/span> ","column":2}]}],"id_ques":2308},{"time":24,"part":[{"title":"Ch\u1ecdn ph\u01b0\u01a1ng \u00e1n \u0110\u00daNG","title_trans":"","temp":"multiple_choice","correct":[[2]],"list":[{"point":5,"ques":" M\u1ed9t h\u1ee3p ch\u1ea5t kh\u00ed c\u1ee7a R v\u1edbi hi\u0111ro c\u00f3 c\u00f4ng th\u1ee9c $RH_3$. Trong \u0111\u00f3 R chi\u1ebfm 91,1765% theo kh\u1ed1i l\u01b0\u1ee3ng. Nguy\u00ean t\u1ed1 R thu\u1ed9c chu k\u1ef3 m\u1ea5y, nh\u00f3m m\u1ea5y ","select":["A. Chu k\u1ef3 2, nh\u00f3m III","B. Chu k\u1ef3 3, nh\u00f3m V. ","C. Chu k\u1ef3 3, nh\u00f3m VI ","D. Chu k\u1ef3 2, nh\u00f3m II."],"hint":"","explain":"<span class='basic_left'>$\\begin{aligned} & \\%{{m}_{H}}=\\dfrac{R}{R+3}.100\\%=91,1765\\% \\\\ & \\Rightarrow R\\approx 31\\,(P) \\\\ \\end{aligned}$ <br\/>P thu\u1ed9c chu k\u00ec 3, nh\u00f3m V<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n l\u00e0 B.<\/span><\/span> ","column":2}]}],"id_ques":2309},{"time":24,"part":[{"title":"Ch\u1ecdn ph\u01b0\u01a1ng \u00e1n \u0110\u00daNG","title_trans":"","temp":"multiple_choice","correct":[[2]],"list":[{"point":5,"ques":"Nguy\u00ean t\u1ed1 X \u1edf chu k\u1ef3 3 nh\u00f3m VI, nguy\u00ean t\u1ed1 Y \u1edf chu k\u1ef3 2 nh\u00f3m VII. So s\u00e1nh t\u00ednh ch\u1ea5t c\u1ee7a X v\u00e0 Y th\u1ea5y ","select":["A. t\u00ednh phi kim c\u1ee7a X m\u1ea1nh h\u01a1n Y.","B. t\u00ednh phi kim c\u1ee7a Y m\u1ea1nh h\u01a1n X.","C. X, Y c\u00f3 t\u00ednh phi kim t\u01b0\u01a1ng \u0111\u01b0\u01a1ng nhau.","D. X, Y c\u00f3 t\u00ednh kim lo\u1ea1i t\u01b0\u01a1ng \u0111\u01b0\u01a1ng nhau"],"hint":"","explain":"<span class='basic_left'>L\u1ea5y nguy\u00ean t\u1ed1 Z chu k\u00ec 3 nh\u00f3m VII l\u00e0m nguy\u00ean t\u1ed1 trung gian \u0111\u1ec3 sao s\u00e1nh. <br\/>Z v\u00e0 X thu\u1ed9c c\u00f9ng 1 chu k\u00ec. Z \u0111\u1ee9ng sau X n\u00ean t\u00ednh phi kim c\u1ee7a Z > X. <br\/>Z v\u00e0 Y c\u00f9ng 1 nh\u00f3m. Z \u0111\u1ee9ng sau Y n\u00ean t\u00ednh phi kim c\u1ee7a Z < Y. V\u1eady t\u00ednh phi kim c\u1ee7a X < Y<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n l\u00e0 B.<\/span><\/span> ","column":2}]}],"id_ques":2310}],"lesson":{"save":0,"level":2}}