WorksheetsElectron Configuration
Total questions: 13
Worksheet time: 23mins
Name
Class
Date
1.
What atom matches this electron configuration?
1s22s22p63s23p64s23d10
1s22s22p63s23p64s23d10
a)
Zinc
b)
Copper
c)
Nickel
d)
Germanium
2.
What electron configuration matches an oxygen atom?
a)
1s22s22p63s2, 3p64s23d104p5
b)
1s22s22p4
c)
1s22s22p6
d)
1s22s22p63s23p64s23d1
3.
The electron configuration of an atom is 1s22s22p6. The number of electrons in the atom is
a)
3
b)
6
c)
8
d)
10
4.
Identify the Electron Configuration for Aluminum (Al)
a)
1s2 2s2 2p6 3s2 3p1
b)
1s2 2s2 2p6 3s2 3p3
c)
1s2 2s2 2p6 3s2 4p1
5.
Electrons occupy orbitals of lowest energy first is part of what electron configuration rule?
a)
Hund’s Rule
b)
Aufbau Principle
c)
Pauli Exclusion Principle
6.
What is this element?
1s22s22p63s23p6
4s23d104p6
1s22s22p63s23p6
4s23d104p6
a)
Argon
b)
Krypton
c)
Selenium
d)
Bromide
7.
How many electrons can the first energy level hold?
a)
1
b)
2
c)
8
d)
0
8.
What atom matches this electron configuration?
1s2 2s2 2p6 3s2
1s2 2s2 2p6 3s2
a)
Neon
b)
Magnesium
c)
Aluminum
d)
Potassium
9.
How many electrons can the s sublevel hold?
a)
14
b)
10
c)
2
d)
6
10.
What is the charge of an atom that has lost one electron?
a)
-1
b)
-2
c)
+1
d)
+2
11.
What is the charge of an atom that has gained one electron?
a)
-1
b)
-2
c)
+1
d)
+2
12.
Each row on the periodic table represents:
a)
an energy level
b)
a sublevel
c)
an electron
d)
an orbital
13.
Is the following electron configuration correct? Why or why not?
1s22s22p63s23p64s24d104p65s1
a)
No. 4p6 should be after 5s1.
b)
No. It should be 3d10 not 4d10
c)
Yes. All electrons are represented properly.
d)
Yes.
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