{"common":{"save":0,"post_id":"6190","level":3,"total":10,"point":10,"point_extra":0},"segment":[{"id":"5433","mon_id":"1158798","chapter_id":"1158799","post_id":"6190","question":"<p>Nguyên t\u1eed natri có 11 electron \u1edf v\u1ecf nguyên t\u1eed và 12 n\u01a1tron trong h\u1ea1t nhân. T\u1ec9 s\u1ed1 kh\u1ed1i l\u01b0\u1ee3ng gi\u1eefa h\u1ea1t nhân và nguyên t\u1eed natri là<\/p>","options":["A. ≈ 1,0","B. ≈ 2,1","C. ≈ 0,92","D. ≈ 1,1"],"correct":"1","level":"3","hint":"","answer":"<p><span style=\"color:#27ae60;\"><strong>\u0110áp án \u0111úng là: A<\/strong><\/span><\/p>","type":"choose","extra_type":"classic","user_id":"147","test":"0","date":"2022-09-06 01:48:48","option_type":"txt","len":1},{"id":"5434","mon_id":"1158798","chapter_id":"1158799","post_id":"6190","question":"<p>Nguyên t\u1eed vàng có 79 electron \u1edf v\u1ecf nguyên t\u1eed. \u0110i\u1ec7n tích h\u1ea1t nhân c\u1ee7a nguyên t\u1eed vàng là:<\/p>","options":["A. +79","B. -79","C. <span class=\"math-tex\">$-1,26.10^{\u221217} C$<\/span>"," D. <span class=\"math-tex\">$+1,26.10^{\u221217} C$<\/span>"],"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":"2022-09-06 01:50:58","option_type":"math","len":0},{"id":"5435","mon_id":"1158798","chapter_id":"1158799","post_id":"6190","question":"<p>Kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a nguyên t\u1eed C có 6 proton, 8 notron, và 6 electron là: <\/p>","options":["A. 14 amu","B. 12 gam","C. 12 amu","D. 20 amu"],"correct":"1","level":"3","hint":"","answer":"<p><span style=\"color:#27ae60;\"><strong>\u0110áp án \u0111úng là: A<\/strong><\/span><\/p>","type":"choose","extra_type":"classic","user_id":"147","test":"0","date":"2022-09-06 01:52:14","option_type":"txt","len":0}]}
