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Electron Configurations

Total questions: 10

Worksheet time: 6mins

Name
Class
Date
1.
Which of the following is the correct electron configuration for a sodium atom?
a)
1s1   2s1  3s1 
b)
1s2   2s2  2p6  3s1 
c)
1s2 2s2 2p3s2 3p6 4s1
d)
1s2   2s1
2.
Which of the following is the correct electron configuration for a phosphorus  atom?
a)
1s2 2s2 2p3s2 3p3
b)
1s2   2s2   3p3 
c)
1s2 2s2 2p3s2 3p6 
d)
1s2 2s2  3s2 2p3p3
3.
Which of the following is the correct electron configuration for a carbon atom?
a)
1s2 2s2 2p6 3s2 3p2
b)
1s2 2s2 2p6 3s2 3p6
c)
1s2 2s2 2p2
d)
1s2 2s2 2p6 3s2 3p6 4s2 4p2
4.
Which of the following is the correct electron configuration for a neon atom?
a)
1s2 2s2 2p3
b)
1s2 2s2 2p6 3s1
c)
1s2 2s2 2p6 3s2 3p6 4s2 3d8
d)
1s2 2s2 2p6 
5.
Which of the following elements is a noble gas?
a)
1s2 2s2
b)
1s2 2s2 2p5
c)
1s2 2s2 2p6 3s2 3p6
d)
1s2 2s2 2p6 3s1
6.
Which of the following elements is a transition metal?
a)
1s2 2s2 2p3s2 3p6 4s2 3d10 4p6
b)
1s2 2s2 2p3s2 3p6 
c)
1s2 2s2 2p3s2 3p6 4s2 
d)
1s2 2s2 2p3s2 3p6 4s2 3d4
7.
Which group of the periodic table has an electron configuration of ns2 np5?
a)
Metalloids
b)
Nobel Gases
c)
Halogens
d)
Alkaline Metals
8.
Which group of the periodic table has an electron configuration of ns2?
a)
Metalloids
b)
Nobel Gases
c)
Halogens
d)
Alkaline Earth Metals
9.
What is the abbreviated electron configuration for silver?
a)
1s2 2s2 2p3s2 3p6 4s2 3d10 4p6 5s2 4d9
b)
[Kr] 5s2 4d9
c)
[Ar] 4s2 3d9
d)
[Ag]
10.
What is the abbreviated electron configuration for barium?
a)
[Xe] 6s2
b)
[Rn] 6s2
c)
[Ar] 4s2 3d10 4p5
d)
[He] 2s2 3p1