WorksheetsElectron Configurations
Total questions: 15
Worksheet time: 45mins
Name
Class
Date
1.
What atom matches this electron configuration?
1s22s22p63s23p64s23d10
1s22s22p63s23p64s23d10
a)
Zinc
b)
Copper
c)
Nickel
d)
Germanium
2.
What atom matches this electron configuration?
1s22s22p63s2
1s22s22p63s2
a)
Neon
b)
Magnesium
c)
Aluminum
d)
Potassium
3.
What electron configuration matches an oxygen atom?
a)
1s22s22p63s2, 3p64s23d104p5
b)
1s22s22p4
c)
1s22s22p6
d)
1s22s22p63s23p64s23d1
4.
How many electrons does Si contain? (click to see image)
a)
14
b)
28
c)
2
d)
4
5.
How many electrons can the first energy level hold?
a)
1
b)
2
c)
8
d)
0
6.
What do you start all electron configurations with?
a)
1s2
b)
1d10
c)
1f14
d)
1p6
7.
Which electron configuration belongs to Chlorine (Cl)?
a)
1s2 2s2 2p6 3s2 3p5
b)
1s2 2s2 2p6 3s2 3p6
c)
1s2 2s2 2p6 3s2 3p7
8.
The 4 orbitals are
a)
s, p, d, f
b)
a, b, c, d
c)
2, 4, 6, 8
9.
How many electrons can the d sublevel hold?
a)
8
b)
10
c)
2
d)
4
10.
What is the shorthand electron configuration for Sulfur atom?
a)
[Ar] 3p4
b)
[He] 3s23p4
c)
[Ne] 3s23p4
d)
[Na] 3s23p3
11.
What atom matches this electron configuration?
[Xe] 6s2 4f14 5d9
[Xe] 6s2 4f14 5d9
a)
Mercury
b)
Gold
c)
Platinum
d)
Thallium
12.
What noble gas should be used to write the shorthand configuration for Te?
a)
Ar
b)
Kr
c)
Xe
d)
Sb
13.
Each row on the periodic table represents:
a)
an energy level
b)
a sublevel
c)
an electron
d)
an orbital
14.
What is the noble gas configuration for silicon?
a)
[Ne] 3s2 3p1
b)
[Ar] 4s1
c)
[Kr] 5s1
d)
[Ne] 3s2 3p2
15.
The electron configuration 1s2 2s22p6 3s23p6 represents which noble gas?
a)
neon
b)
argon
c)
helium
d)
krypton
100 %
