
ôn tập về kim loại kiềm , kiềm thổ
Authored by Minh Bui
Chemistry
12th Grade
Used 4+ times

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15 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 thổ là
ns2np2.
ns2np1.
ns1.
ns2.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cấu hình electron lớp ngoài cùng của nguyên tử kim loại kiềm là
ns2np2.
ns2np1.
ns1.
ns2.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ở trạng thái cơ bản, số electron lớp ngoài cùng của nguyên tố IIA là
2.
4.
1.
3.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ở trạng thái cơ bản, số electron lớp ngoài cùng của nguyên tố IA là
2.
4.
1.
3.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kim loại nào sau đây là nguyên tố IIA?
Ag.
Cu.
Ca.
Na.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kim loại nào sau đây là nguyên tố IA?
Ag.
Cu.
Ca.
Na.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Công thức chung của các oxide kim loại nhóm IIA là
R2O.
RO2.
RO.
R2O3.
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