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Electron Configurations
Test Description: A test on Electron configurations. Short version and Full version
Instructions: Answer all questions to get your test result.
1) Whats the electron configuration for oxygen?
A
1s2 2s2 2p6 3s1
B
2p6
C
1s2 2s2 2p4
D
1s2 2s2 2p5
2) Whats the electron configuration for Magnesium?
A
1s2 2s2 2p6 3s2
B
1s2 2s2 2p6 3s2 3p2
C
1s2 2s2 2p4 3s2
D
1s2 2s2 3s2
3) Whats the electron configuration for P?
A
6p4
B
1s2 2s2 3p6 4s2 5p3
C
1s2 2s2 2p6 3s2 3p3
D
1s2 2d2 2p6 3s2 3p3
4) Whats the electron configuration for Ru?
A
1s2 2s2 2s6 3s2 3p6 4s2 3d10 4p6 5s2 4d5
B
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d6
C
1s2 2s2 2p6 3s2 3p6 4s2 3d4
D
1s2 2s2 2p6 3s2 3p6 4p2 3d9 4p6 5s2 4d6
5) What element is (Ar) 4s2?
A
potassium
B
magnesium
C
Argon
D
calcium
6) What element is (Kr) 5s2 4d2?
A
Hafnium
B
titanium
C
zirconium
D
All of the above
7) What element is (Ne) 3s2 3p5
A
Iron
B
Chlorine
C
Calcium
D
Neon
8) Whats the shortened EC for Arsenic?
A
(Ar) 4s2 3d10 4p4
B
(Ne) 4s2 3d10 4p3
C
(Ar) 4s2 3d10 4p3
D
(Ar) 4s2 3d10 4p10
9) Whats the shortened EC for sulfur?
A
(Ar) 4s2 3d10 4p4
B
(Ne) 3s2 3p4 4s1
C
(Ne) 3s1
D
(Ne) 3s2 3p4
10) Whats the EC for hydrogen?
A
3p9
B
1s1
C
10s1
D
1s2
*select an answer for all questions
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