{"common":{"save":0,"post_id":"8966","level":1,"total":10,"point":10,"point_extra":0},"segment":[{"id":"6640","post_id":"8966","mon_id":"1159892","chapter_id":"1159938","question":"<p data-pm-slice=\"0 0 []\">C\u1ea5u hình electron l\u1edbp ngoài cùng c\u1ee7a nguyên t\u1ed1 nitrogen là<\/p>","options":["A. 2s22p5.","B. 2s22p3.","C. 2s22p2.","D. 2s22p4."],"correct":"2","level":"1","hint":"","answer":"<p>\u0110áp án \u0111úng: <strong>B. 2s22p3.<\/strong><\/p><p data-end=\"113\" data-start=\"60\">Nguyên t\u1ed1 Nitrogen (N) có s\u1ed1 hi\u1ec7u nguyên t\u1eed là <strong data-end=\"112\" data-start=\"107\">7<\/strong>.<\/p><p data-end=\"166\" data-start=\"116\">C\u1ea5u hình electron c\u1ee7a Nitrogen là <strong data-end=\"165\" data-start=\"150\">1s² 2s² 2p³<\/strong>.<\/p><p data-end=\"245\" data-start=\"169\">L\u1edbp ngoài cùng c\u1ee7a nitrogen là <strong data-end=\"210\" data-start=\"200\">2s²2p³<\/strong> (v\u1edbi 5 electron \u1edf l\u1edbp ngoài cùng).<\/p>","type":"choose","extra_type":"classic","user_id":"139","test":"0","date":"2025-04-20 15:15:58","option_type":"txt","len":0},{"id":"6641","post_id":"8966","mon_id":"1159892","chapter_id":"1159938","question":"<p data-pm-slice=\"0 0 []\">Trong h\u1ee3p ch\u1ea5t nitrogen có các m\u1ee9c oxi hóa nào sau \u0111ây?<\/p>","options":["A. -3, +3, +5.","B. -3, 0, +3, +5.","C. -3, +1, +2, +3, +4, +5.","D. -3, 0, +1, +2, +3, +4, +5."],"correct":"3","level":"1","hint":"","answer":"<p>\u0110áp án \u0111úng: <strong>C. -3, +1, +2, +3, +4, +5.<\/strong><\/p>","type":"choose","extra_type":"classic","user_id":"139","test":"0","date":"2025-04-20 15:17:05","option_type":"txt","len":2},{"id":"6673","post_id":"8966","mon_id":"1159892","chapter_id":"1159938","question":"<p data-pm-slice=\"0 0 []\">Ch\u1ea5t nào sau \u0111ây tác d\u1ee5ng v\u1edbi N2 \u1edf nhi\u1ec7t \u0111\u1ed9 th\u01b0\u1eddng?<\/p>","options":["A. Mg.","B. O2.","C. Na.","D. Li."],"correct":"4","level":"1","hint":"","answer":"<p>\u0110áp án \u0111úng: <strong>D. Li.<\/strong><\/p><p data-end=\"167\" data-start=\"43\">\u1ede <strong data-end=\"64\" data-start=\"45\">nhi\u1ec7t \u0111\u1ed9 th\u01b0\u1eddng<\/strong>, nit\u01a1 (N\u2082) là m\u1ed9t phân t\u1eed r\u1ea5t b\u1ec1n do có liên k\u1ebft ba trong phân t\u1eed → khó ph\u1ea3n \u1ee9ng v\u1edbi h\u1ea7u h\u1ebft các ch\u1ea5t.<\/p><p data-end=\"297\" data-start=\"170\">Tuy nhiên, m\u1ed9t s\u1ed1 kim lo\u1ea1i ki\u1ec1m nh\u01b0 <strong data-end=\"222\" data-start=\"206\">lithium (Li)<\/strong> có th\u1ec3 ph\u1ea3n \u1ee9ng v\u1edbi nit\u01a1 \u1edf \u0111i\u1ec1u ki\u1ec7n th\u01b0\u1eddng t\u1ea1o thành <strong data-end=\"296\" data-start=\"277\">nitrid kim lo\u1ea1i<\/strong><\/p>","type":"choose","extra_type":"classic","user_id":"139","test":"0","date":"2025-04-20 19:05:21","option_type":"txt","len":0}]}
