
C612
Authored by NOS Nguyễn Ngọc Sơn
Chemistry
12th Grade
Used 1+ times

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80 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cấu hình electron lớp ngoài cùng của nguyên tử kim loại kiềm là?
A. ns^1
B. ns^2
C. ns^2np^1
D. (n-1)d^8ns^1
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nguyên tử kim loại kiểm ở trạng thái cơ bản có số electron lơp ngoài cùng là?
A. 1
B. 2
C. 3
D. 4
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kim loại nào sau đây thuộc nhóm IA?
A. Zn
B. Na
C. Mg
D. Ba
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kim loại nào sau đây thuộc nhóm kim loại kiềm?
A. K
B. Ca
C. Zn
D. Ba
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kim loại nào sau đây không phải là kim loại kiềm?
A. Li
B. K
C. Ba
D. Cs
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Để bảo quản các kim loại kiềm, người ta sử dụng phương pháp nào sau đây?
A. Ngâm chìm trong dầu hỏa
B. Để trong bình kín
C. Ngâm trong nước
D. Ngâm chìm trong rượu
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kim loại kiềm X được sử dụng làm tế bào quang điện. X là?
A. K
B. Na
C. Cs
D. Li
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