
Nhóm VIIA
Authored by huongkhe nguyen
Chemistry, Education
10th Grade
Used 4+ times

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26 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Đặc điểm nào sau đây là đặc điểm chung của các đơn chất Halogen?
Ở điều kiện thường là chất khí.
Có tính oxi hóa mạnh.
Vừa có tính oxi hóa, vừa có tính khử.
Tác dụng mạnh với nước
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cấu hình electron lớp ngoài cùng của các nguyên tố nhóm halogen là
ns2np3.
(n-1)d5n4s2.
ns2np5.
ns2np1.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ở điều kiện thường, đơn chất halogen X là chất rắn và có tính thăng hoa. X là
Flo
Clo
Brom
Iot
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dãy sắp xếp các chất theo chiều giảm dần tính oxi hóa từ trái sang phải là
F2; Cl2; Br2; I2
Br2; Cl2; F2; I2
I2; Br2; Cl2; F2
Cl2; F2; Br2; I2
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Trong điều kiện thường, halogen ở thể lỏng, màu nâu đỏ là
Flo
Brom
Iot
Clo
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dãy acid nào sau đây được sắp xếp theo thứ tự tính acid tăng dần?
HCl, HBr, HI, HF.
HF, HCl, HBr, HI.
HI, HBr, HCl, HF.
HBr, HI, HCl, HF
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Acid không thể đựng trong bình thủy tinh là:
HNO3
HF
H2SO4
HCl
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