Nhóm halogen

Home Lớp 10 Hóa học 10 - Sách Kết nối tri thức Bài 21: Nhóm halogenBài tập cơ bản

{"common":{"save":0,"post_id":"8669","level":1,"total":10,"point":10,"point_extra":0},"segment":[{"id":"8024","mon_id":"1158798","chapter_id":"1158881","post_id":"8669","question":"Trong b\u1ea3ng tu\u1ea7n hoàn các nguyên t\u1ed1 hoá h\u1ecdc, các nguyên t\u1ed1 halogen thu\u1ed9c nhóm:<\/p>","options":["A. IA. ","B. IIA.","C. VIIA.","D. VIIIA."],"correct":"3","level":"1","hint":"","answer":"\u0110áp án \u0111úng: C. VIIA.<\/strong><\/p>Trong b\u1ea3ng tu\u1ea7n hoàn các nguyên t\u1ed1 hoá h\u1ecdc, các nguyên t\u1ed1 halogen thu\u1ed9c nhóm VIIA.<\/p>","type":"choose","extra_type":"classic","user_id":"139","test":"0","date":"2025-03-21 15:01:25","option_type":"txt","len":0},{"id":"8025","mon_id":"1158798","chapter_id":"1158881","post_id":"8669","question":"\u0110\u01a1n ch\u1ea5t halogen t\u1ed3n t\u1ea1i \u1edf th\u1ec3 l\u1ecfng, \u0111i\u1ec1u ki\u1ec7n th\u01b0\u1eddng là:<\/p>","options":["A. fluorine.","B. bromine.","C. iodine.","D. chlorine."],"correct":"2","level":"1","hint":"","answer":"\u0110áp án \u0111úng: B. bromine.<\/strong><\/p>- Fluorine và chlorine t\u1ed3n t\u1ea1i \u1edf tr\u1ea1ng thái khí.<\/p>- Bromine t\u1ed3n t\u1ea1i \u1edf tr\u1ea1ng thái l\u1ecfng.<\/p>- Iodine t\u1ed3n t\u1ea1i \u1edf tr\u1ea1ng thái r\u1eafn.<\/p>","type":"choose","extra_type":"classic","user_id":"139","test":"0","date":"2025-03-21 15:02:26","option_type":"txt","len":1},{"id":"8026","mon_id":"1158798","chapter_id":"1158881","post_id":"8669","question":"\u0110\u01a1n ch\u1ea5t halogen \u1edf th\u1ec3 khí, màu vàng l\u1ee5c là<\/p>","options":["A. chlorine.","B. iodine. ","C. bromine.","D. fluorine."],"correct":"1","level":"1","hint":"","answer":"\u0110áp án \u0111úng: A. chlorine.<\/strong><\/p>- Fluorine: màu l\u1ee5c nh\u1ea1t.<\/p>- Chlorine: màu vàng l\u1ee5c.<\/p>- Bromine: màu nâu \u0111\u1ecf.<\/p>- Iodine: màu tím \u0111en.<\/p>","type":"choose","extra_type":"classic","user_id":"139","test":"0","date":"2025-03-21 15:03:31","option_type":"txt","len":1}]}