WorksheetsElectron Configuration Review
Total questions: 12
Worksheet time: 2hrs 0mins
Name
Class
Date
1.
What atom matches this electron configuration?
1s22s22p63s23p64s23d10
1s22s22p63s23p64s23d10
a)
Zinc
b)
Copper
c)
Nickel
d)
Germanium
2.
The electron configuration of an atom is 1s22s22p6. The number of electrons in the atom is
a)
3
b)
6
c)
8
d)
10
3.
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
4.
What atom matches this electron configuration?
1s2 2s2 2p6 3s2
1s2 2s2 2p6 3s2
a)
Neon
b)
Magnesium
c)
Aluminum
d)
Potassium
5.
What is the maximum number of electrons that an S orbital can have?
a)
1 electron
b)
2 electrons
c)
3 electrons
d)
4 electrons
6.
How many valence electrons are represented here?
a)
7
b)
5
c)
2
d)
8
7.
How many valence electrons does Chlorine have?
a)
5
b)
2
c)
7
d)
5
8.
Which of the following is a p block element?
a)
Ca
b)
Ar
c)
Re
d)
Au
9.
Anions are _______ that form ____________ ions and __________ electrons.
a)
nonmetals, positive, lose
b)
nonmetals, negative, gain
c)
metals, positive, gain
d)
metals, positive, lose
10.
What is the electron configuration for this atom?
a)
1s22s22p6
b)
1s22s22p5
c)
1s22s22p3
d)
2s22p3
11.
Using the image, how many electrons are in an ion of cesium?
a)
54
b)
55
c)
56
d)
133
12.
What is the electron configuration of Ca+2?
a)
1s2 2s2 2p6 3s2 3p6 4s2
b)
1s2 2s2 2p6 3s2 3p6
c)
1s2 2s2 2p6 3s2 3p6 4s4
d)
1s2 2s2 2p6 3s2 3p6 4s2 4p2
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