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Electron Configuration Practice
Test Description: Electrons, configuration, elements, periodic table, chemistry
Instructions: Answer all questions to get your test result.
1) Question 1: How many electrons are found in the 3p orbital for argon?
A
2
B
6
C
8
D
4
2) Question 2: How many electrons are found in the 4s orbital for potassium?
A
2
B
6
C
10
D
1
3) Question 3: How many electrons are found in the 3d orbital for calcium?
A
3
B
0
C
2
D
1
4) Question 4: How many of the electrons are doubled for nitrogen in the 2p orbital?
A
3
B
2
C
0
D
1
5) Question 5: How many of the electrons are doubled for argon in the 2p orbital?
A
1
B
2
C
3
D
0
6) Question 6: How many electrons does the d orbital hold?
A
14
B
2
C
10
D
6
7) Question 7: How many of the electrons does the f orbital hold?
A
14
B
2
C
10
D
6
8) Question 8: What is the electron configuration for chromium?
A
1s2 2s2 2p6 3s2 3p6 4s1 3d4
B
1s2 2s2 2p6 3s2 3p6 4s2 4p3
C
1s2 2s2 2p6 3s2 3p6 3d5
D
1s2 2s2 2p6 3s2 3p6 4s2 3d4
9) Question 9: What is the electron configuration for germanium?
A
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6
B
1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p1
C
1s2 2s2 2p6 3s2 3p6 4s2 3d12
D
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p2
10) Question 10: What is the electron configuration for strontium?
A
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2
B
1s2 2s2 2p6 3s2 3p6 4s3 3d9 4p6 5s2
C
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s1 5p3
D
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s1
11) Question 11: What element's configuration is shown: 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6
A
Bromine
B
Krypton
C
all of the above
D
Selenium
12) Question 12: What element's configuration is shown: 1s2 2s2 2p6 3s2 3p6 4s2 3d1
A
Potassium
B
Titanium
C
Calcium
D
Scandium
13) Question 13: What is wrong with the configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6
A
No mistakes are present
B
2p6 is placed in the wrong spot
C
3d10 is placed in the wrong spot
D
2s cannot hold two electrons
*select an answer for all questions
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