{"common":{"save":0,"post_id":"6363","level":3,"total":10,"point":10,"point_extra":0},"segment":[{"id":"5987","mon_id":"1158798","chapter_id":"1158822","post_id":"6363","question":"<p>Nguyên t\u1ed1 R có công th\u1ee9c oxide cao nh\u1ea5t là <span class=\"math-tex\">$R_2O_5$<\/span>. Công th\u1ee9c h\u1ee3p ch\u1ea5t khí c\u1ee7a R v\u1edbi hydro là :<\/p>","options":["A. <span class=\"math-tex\">$RH_5$<\/span>","B. <span class=\"math-tex\">$RH_2$<\/span>","C. <span class=\"math-tex\">$RH_3$<\/span>","D. <span class=\"math-tex\">$RH_4$<\/span>"],"correct":"3","level":"3","hint":"","answer":"<p><span style=\"color:#27ae60;\"><strong>\u0110áp án \u0111úng là: C<\/strong><\/span><\/p>","type":"choose","extra_type":"classic","user_id":"147","test":"0","date":"2022-11-15 03:26:14","option_type":"math","len":0},{"id":"5988","mon_id":"1158798","chapter_id":"1158822","post_id":"6363","question":"<p>Trong 4 nguyên t\u1eed <span class=\"math-tex\">$_6C$<\/span>; <span class=\"math-tex\">$_7N$<\/span>; <span class=\"math-tex\">$_8O$<\/span>; <span class=\"math-tex\">$_{11}Na$<\/span>. Nguyên t\u1eed có bán kính l\u1edbn nh\u1ea5t là<\/p>","options":["A. <span class=\"math-tex\">$_6C$<\/span>","B. <span class=\"math-tex\">$_8O$<\/span>","C. <span class=\"math-tex\">$_7N$<\/span>","D. <span class=\"math-tex\">$_{11}Na$<\/span><br \/>\n "],"correct":"4","level":"3","hint":"","answer":"<p><span style=\"color:#27ae60;\"><strong>\u0110áp án \u0111úng là: D<\/strong><\/span><\/p>","type":"choose","extra_type":"classic","user_id":"147","test":"0","date":"2022-11-15 03:28:11","option_type":"math","len":0},{"id":"5989","mon_id":"1158798","chapter_id":"1158822","post_id":"6363","question":"<p>Ba nguyên t\u1ed1 A (Z=15), B (Z=13), D (Z=17) tính ch\u1ea5t c\u1ee7a A, B, D là<\/p>","options":["A. A D là phi kim, B là kim lo\u1ea1i. ","B. A B là phi kim, D là kim lo\u1ea1i.","C. D là phi kim, B A là kim lo\u1ea1i. ","D. B là phi kim, A D là kim lo\u1ea1i. "],"correct":"1","level":"3","hint":"","answer":"<p><span style=\"color:#27ae60;\"><strong>\u0110áp án \u0111úng là: A<\/strong><\/span><br \/>A: <span class=\"math-tex\">$1s^22s^22p^63s^23p^3$<\/span> , B: <span class=\"math-tex\">$1s^22s^22p^63s^23p^1$<\/span>, D: <span class=\"math-tex\">$1s^22s^22p^63s^23p^5$<\/span><br \/>- Có 1, 2, 3 electron hóa tr\u1ecb là kim lo\u1ea1i<br \/>- 5, 6, 7 electron hóa tr\u1ecb là phi kim<\/p>","type":"choose","extra_type":"classic","user_id":"147","test":"0","date":"2022-11-15 03:30:02","option_type":"txt","len":3}]}
