
NHÓM HALOGEN
Authored by Thế Thuyên
Chemistry
10th Grade
Used 1+ times

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40 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Cấu hình electron lớp ngoài cùng của nguyên tử các nguyên tố halogen là
ns2np6.
ns2np5.
ns2np3.
ns2np4.
2.
FILL IN THE BLANK QUESTION
10 sec • 1 pt
Vị trí nhóm halogentrong bảng tuần hoàn?
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Nhóm halogen bao gồm các nguyên tố nào sau đây?
F, Cl, Br, I, At, Ts.
F, C, Br, I, At, Ts.
F, Cl, Br, I, At, As.
F, Cl, Br, I, Au, Ts.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong nhóm halogen, từ fluorine đến iodine
Nhiệt độ nóng chảy giảm dần.
Tính oxi hóa tăng dần.
Màu sắc nhạt dần.
Độ âm điện giảm dần.
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Trong các phản ứng hoá học, để chuyển thành anion, nguyên tử của các nguyên tố halogen đã nhận hay nhường bao nhiêu electron?
Nhận thêm 1 electron.
Nhận thêm 2 electron.
Nhường đi 1 electron.
Nhường đi 7 electron.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Đặc điểm chung của đơn chất halogen là
Có tính oxi hóa mạnh.
Ở điều kiện thường là chất khí.
Tác dụng mạnh với nước.
Vừa có tính oxi hóa vừa có tính khử.
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Nguyên tố halogen dùng tham gia bảo vệ răng là
Chlorine.
Iodine.
Bromine.
Fluorine.
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