
Câu hỏi về Halogen
Authored by Hien Minh
Science
10th Grade
Used 3+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Liên kết trong phân tử nào sau đây có độ phân cực lớp nhất:
H -F
H - Cl
H - Br
H - I
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong nhóm halogen, từ F đến I, bán kính nguyên tử biến đổi theo chiều nào:
Giảm dần
Không đổi
Tăng dần
Tuần hoàn
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong đơn chất tử F2 đến I2. Chất có tính oxi hoá mạnh nhất là:
F2
Cl2
Br2
I2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nguyên tử Halogen nào sau đây thể hiện số oxi hoá -1 trong các hợp chất?
fluorine
Chlorine
Bromine
Iodine
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong y học halogen nào sau đây được hoà tan trong cồn để dùng làm thuốc sát trùng ngoài da?
fluorine
Chlorine
Bromine
Iodine
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong tự nhiên nguyên tố chlorine tồn tại phổ biến nhất ở dạng hợp chất nào sau đây?
MgCl2
NaCl
KCl
HCl
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cấu hình electron lớp ngoài cùng của các nguyên tố nhóm halogen có dạng chung là:
ns2np5
ns2
ns2np6
ns2np4
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