{"common":{"save":0,"post_id":"6205","level":1,"total":10,"point":10,"point_extra":0},"segment":[{"id":"5546","mon_id":"1158798","chapter_id":"1158799","post_id":"6205","question":"<p>T\u1ed5ng s\u1ed1 h\u1ea1t p trong <span class=\"math-tex\">$_{9}^{19}F$<\/span> là<\/p>","options":["A. 19 ","B. 30","C. 28","D. 9"],"correct":"4","level":"1","hint":"","answer":"<p><span style=\"color:#27ae60;\"><strong>\u0110áp án \u0111úng là: D<\/strong><\/span><\/p><p>Nguyên t\u1eed Flo (F) có <strong data-end=\"30\" data-start=\"21\">Z = 9<\/strong><\/p><ul data-end=\"202\" data-start=\"34\"> <li data-end=\"83\" data-start=\"34\"><p data-end=\"83\" data-start=\"36\"><strong data-end=\"53\" data-start=\"36\">S\u1ed1 proton (p)<\/strong> = s\u1ed1 hi\u1ec7u nguyên t\u1eed = <b>9<\/b><\/p><\/li><\/ul>","type":"choose","extra_type":"classic","user_id":"147","test":"0","date":"2022-09-13 15:15:26","option_type":"txt","len":0},{"id":"5547","mon_id":"1158798","chapter_id":"1158799","post_id":"6205","question":"<p>S\u1ed1 electron t\u1ed1i \u0111a trong l\u1edbp L là:<\/p>","options":["A. 2","B. 6","C. 8","D. 14"],"correct":"3","level":"1","hint":"","answer":"<p><span style=\"color:#27ae60;\"><strong>\u0110áp án \u0111úng là: C<\/strong><\/span><\/p><p>L\u1edbp <strong data-end=\"9\" data-start=\"4\">L<\/strong> là l\u1edbp th\u1ee9 2 (n = 2).<\/p><ul data-end=\"152\" data-start=\"35\"> <li data-end=\"100\" data-start=\"35\"><p data-end=\"100\" data-start=\"37\">Công th\u1ee9c t\u1ed5ng quát: <strong data-end=\"98\" data-start=\"58\">S\u1ed1 electron t\u1ed1i \u0111a trong l\u1edbp n = 2n²<\/strong><\/p><\/li> <li data-end=\"152\" data-start=\"101\"><p data-end=\"152\" data-start=\"103\">L\u1edbp L → n = 2 → 2 × 2² = 2 × 4 = <strong data-end=\"150\" data-start=\"136\">8 electron<\/strong><\/p><\/li><\/ul>","type":"choose","extra_type":"classic","user_id":"147","test":"0","date":"2022-09-13 15:16:48","option_type":"txt","len":0},{"id":"5548","mon_id":"1158798","chapter_id":"1158799","post_id":"6205","question":"<p>Nguyên t\u1ed1 X có Z = 17. X có m\u1ea5y l\u1edbp electron<\/p>","options":["A. 1","B. 2","C. 3","D. 4"],"correct":"3","level":"1","hint":"","answer":"<p><span style=\"color:#27ae60;\"><strong>\u0110áp án \u0111úng là: C<\/strong><\/span><\/p><p>Z = 17 → nguyên t\u1ed1 <strong data-end=\"31\" data-start=\"19\">Clo (Cl)<\/strong>, có c\u1ea5u hình electron <strong data-end=\"77\" data-start=\"54\">1s² 2s² 2p\u2076 3s² 3p\u2075<\/strong>.<br data-end=\"81\" data-start=\"78\" \/>Electron d\u1eebng l\u1ea1i \u1edf l\u1edbp 3 → <strong data-end=\"135\" data-is-last-node=\"\" data-start=\"109\">Clo có 3 l\u1edbp electron.<\/strong><\/p>","type":"choose","extra_type":"classic","user_id":"147","test":"0","date":"2022-09-13 15:19:08","option_type":"txt","len":0}]}
