Phân tử - Đơn chất - Hợp chất

Home Lớp 7 Khoa học tự nhiên 7 - Sách kết nối tri thức Bài 5: Phân tử - Đơn chất - Hợp chấtBài tập cơ bản

{"common":{"save":0,"post_id":"6044","level":1,"total":10,"point":10,"point_extra":0},"segment":[{"id":"9071","post_id":"6044","mon_id":"1158750","chapter_id":"1158757","question":"\u0110\u01a1n ch\u1ea5t \u0111\u01b0\u1ee3c t\u1ea1o nên t\u1eeb bao nhiêu nguyên t\u1ed1 hóa h\u1ecdc?<\/p>","options":["1","2","3","4"],"correct":"1","level":"1","hint":"","answer":"\u0110\u01a1n ch\u1ea5t \u0111\u01b0\u1ee3c t\u1ea1o nên t\u1eeb m\u1ed9t <\/strong><\/span>nguyên t\u1ed1 hóa h\u1ecdc.<\/p>\u0110áp án \u0111úng là bông hoa ch\u1ee9a s\u1ed1 1<\/strong><\/span>.<\/p>","type":"choose","extra_type":"flower","time":"0","user_id":"131","test":"0","date":"2022-08-07 09:23:53","option_type":"txt","len":0},{"id":"9072","post_id":"6044","mon_id":"1158750","chapter_id":"1158757","question":"H\u1ee3p ch\u1ea5t \u0111\u01b0\u1ee3c t\u1ea1o nên t\u1eeb bao nhiêu nguyên t\u1ed1 hóa h\u1ecdc?<\/p>","options":["2","3","4","T\u1eeb 2 nguyên t\u1ed1 tr\u1edf lên"],"correct":"4","level":"1","hint":"","answer":"H\u1ee3p ch\u1ea5t \u0111\u01b0\u1ee3c t\u1ea1o nên t\u1eeb hai nguyên t\u1ed1 hóa h\u1ecdc tr\u1edf lên<\/span>.<\/p>\u0110áp án \u0111úng là  T\u1eeb 2 nguyên t\u1ed1 tr\u1edf lên<\/strong><\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2022-08-07 09:25:30","option_type":"txt","len":2},{"id":"9076","post_id":"6044","mon_id":"1158750","chapter_id":"1158757","question":"Phân t\u1eed là <input class=\"_tit_hoi\" disabled=\"disabled\" type=\"text\"\/><\/p>","options":["A.<\/strong> h\u1ea1t \u0111\u1ea1i di\u1ec7n cho h\u1ee3p ch\u1ea5t, g\u1ed3m m\u1ed9t s\u1ed1 nguyên t\u1eed liên k\u1ebft v\u1edbi nhau và th\u1ec3 hi\u1ec7n \u0111\u1ea7y \u0111\u1ee7 tính ch\u1ea5t hóa h\u1ecdc c\u1ee7a ch\u1ea5t.","B. <\/strong>h\u1ea1t \u0111\u1ea1i di\u1ec7n cho ch\u1ea5t, g\u1ed3m m\u1ed9t s\u1ed1 nguyên t\u1eed liên k\u1ebft v\u1edbi nhau và th\u1ec3 hi\u1ec7n \u0111\u1ea7y \u0111\u1ee7 tính ch\u1ea5t hóa h\u1ecdc c\u1ee7a ch\u1ea5t.","C.<\/strong> h\u1ea1t \u0111\u1ea1i di\u1ec7n cho \u0111\u01a1n ch\u1ea5t, g\u1ed3m hai nguyên t\u1eed liên k\u1ebft v\u1edbi nhau và th\u1ec3 hi\u1ec7n \u0111\u1ea7y \u0111\u1ee7 tính ch\u1ea5t hóa h\u1ecdc c\u1ee7a ch\u1ea5t.","D.<\/strong> h\u1ea1t \u0111\u1ea1i di\u1ec7n cho ch\u1ea5t, g\u1ed3m m\u1ed9t s\u1ed1 nguyên t\u1eed liên k\u1ebft v\u1edbi nhau và th\u1ec3 hi\u1ec7n \u0111\u1ea7y \u0111\u1ee7 tính ch\u1ea5t v\u1eadt lí c\u1ee7a ch\u1ea5t."],"correct":"2","level":"1","hint":"","answer":"Phân t\u1eed là<\/p>B. <\/strong>h\u1ea1t \u0111\u1ea1i di\u1ec7n cho ch\u1ea5t, g\u1ed3m m\u1ed9t s\u1ed1 nguyên t\u1eed liên k\u1ebft v\u1edbi nhau và th\u1ec3 hi\u1ec7n \u0111\u1ea7y \u0111\u1ee7 tính ch\u1ea5t hóa h\u1ecdc c\u1ee7a ch\u1ea5t.<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2022-08-07 09:48:48","option_type":"txt","len":3}]}