ÔN TẬP LÝ THUYẾT KLK VÀ HỢP CHẤT LẦN 4
Quiz
•
Chemistry
•
1st Grade
•
Easy
dung nguyễn
Used 9+ times
FREE Resource
46 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Kim loại nào sau đây là kim loại kiềm?
A. K.
B. Ca.
C. Al.
D. Mg.
A
B
C
D
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Kim loại nào sau đây là kim loại kiềm?
A. Na.
B. Ba.
C. Al.
D. Fe.
A
B
C
D
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Kim loại nào sau đây là kim loại kiềm?
A. Li
B. Ba.
C. Ag.
D. Mg.
A
B
C
D
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cấu hình electron lớp ngoài cùng của kim loại kiềm là
A. ns1.
B. ns2.
C. ns2np1.
D. ns2np2.
A
B
C
D
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Số electron lớp ngoài cùng của kim loại kiềm là
1
2
3
4
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Trong hợp chất, kim loại kiềm có số oxi hóa là
A. +1.
B. +2.
C. +3.
D. +4.
A
B
C
D
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Kim loại nào sau đây có số oxi hóa +1 duy nhất trong hợp chất?
A. Al.
B. Fe.
C. Ca.
D. K.
A
B
C
D
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