
Hóa 12 - Ôn tập giữa HKII

Quiz
•
Chemistry
•
12th Grade
•
Medium
Kam Kam
Used 1+ times
FREE Resource
144 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cấu hình electron lớp ngoài cùng của nguyên tử kim loại kiềm là
ns2np2
ns2np1
ns1
ns2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kim loại nào sau đây là kim loại kiềm?
Na
Ca
Al
Fe
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho dãy các kim loại: Na, Al, Fe, K. Số kim loại kiềm trong dãy là
4
3
1
2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cấu hình electron của nguyên tử Na (Z=11)
1s22s22p63s2
1s22s22p6
1s22s22p63s1
1s22s22p63s23p1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cation M+ có cấu hình electron lớp ngoài cùng 2s22p6 là
Na+
Li+
Rb+
K+
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Công thức chung của oxit kim loại thuộc phân nhóm chính nhóm I là
R2O3
RO2
R2O
RO
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong hợp chất, các kim loại kiềm có số oxi hóa là
+1
+2
+4
+3
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