{"common":{"save":0,"post_id":"8670","level":2,"total":10,"point":10,"point_extra":0},"segment":[{"id":"8034","mon_id":"1158798","chapter_id":"1158881","post_id":"8670","question":"<p data-pm-slice=\"0 0 []\">Trong nhóm halogen, t\u1eeb fluorine \u0111\u1ebfn iodine, nhi\u1ec7t \u0111\u1ed9 nóng ch\u1ea3y<\/p>","options":["A. gi\u1ea3m d\u1ea7n.","B. t\u0103ng d\u1ea7n.","C. không \u0111\u1ed5i.","D. t\u0103ng r\u1ed3i gi\u1ea3m d\u1ea7n."],"correct":"2","level":"2","hint":"","answer":"<p>\u0110áp án \u0111úng: <strong>B. t\u0103ng d\u1ea7n.<\/strong><\/p><p data-pm-slice=\"0 0 []\">Nhi\u1ec7t \u0111\u1ed9 nóng ch\u1ea3y t\u0103ng d\u1ea7n t\u1eeb fluorine \u0111\u1ebfn iodine do:<\/p><p>- T\u01b0\u01a1ng tác van der Waals t\u0103ng.<\/p><p>- Kh\u1ed1i l\u01b0\u1ee3ng phân t\u1eed t\u0103ng.<\/p>","type":"choose","extra_type":"classic","user_id":"139","test":"0","date":"2025-03-21 15:15:25","option_type":"txt","len":2},{"id":"8035","mon_id":"1158798","chapter_id":"1158881","post_id":"8670","question":"<p data-pm-slice=\"0 0 []\">Khi tác d\u1ee5ng v\u1edbi kim lo\u1ea1i, các nguyên t\u1eed halogen th\u1ec3 hi\u1ec7n xu h\u01b0\u1edbng nào sau \u0111ây?<\/p>","options":["A. Nh\u01b0\u1eddng 1 electron.","B. Nh\u1eadn 1 electron.","C. Nh\u01b0\u1eddng 7 electron.","D. Góp chung 1 electron."],"correct":"2","level":"2","hint":"","answer":"<p>\u0110áp án \u0111úng: <strong>B. Nh\u1eadn 1 electron.<\/strong><\/p><p>Khi tác d\u1ee5ng v\u1edbi kim lo\u1ea1i, các nguyên t\u1eed halogen có xu h\u01b0\u1edbng nh\u1eadn 1 electron \u0111\u1ec3 t\u1ea1o thành c\u1ea5u hình c\u1ee7a khí hi\u1ebfm.<\/p>","type":"choose","extra_type":"classic","user_id":"139","test":"0","date":"2025-03-21 15:16:30","option_type":"txt","len":2},{"id":"8036","mon_id":"1158798","chapter_id":"1158881","post_id":"8670","question":"<p data-pm-slice=\"0 0 []\">Hít th\u1edf không khí có ch\u1ee9a khí nào sau \u0111ây v\u01b0\u1ee3t ng\u01b0\u1ee1ng 30 µg\/m3 không khí (QCVN 06:2009\/BTNMT) s\u1ebd ti\u1ec1m \u1ea9n nguy c\u01a1 gây viêm \u0111\u01b0\u1eddng hô h\u1ea5p, co th\u1eaft ph\u1ebf qu\u1ea3n, khó th\u1edf?<\/p>","options":["A. O2.","B. Cl2.","C. N2.","D. O3."],"correct":"2","level":"2","hint":"","answer":"<p>\u0110áp án \u0111úng: <strong>B. Cl2.<\/strong><\/p><p>Hít th\u1edf không khí có ch\u1ee9a khí Cl2 v\u01b0\u1ee3t ng\u01b0\u1ee1ng s\u1ebd ti\u1ec1m \u1ea9n nguy c\u01a1 gây viêm \u0111\u01b0\u1eddng hô h\u1ea5p, co th\u1eaft ph\u1ebf qu\u1ea3n, khó th\u1edf.<\/p>","type":"choose","extra_type":"classic","user_id":"139","test":"0","date":"2025-03-21 15:17:17","option_type":"txt","len":0}]}
