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WorksheetsElectron Configuration
Total questions: 11
Worksheet time: 55mins
Name
Class
Date
1.
What atom matches this electron configuration?
1s2 2s2 2p6 3s2
1s2 2s2 2p6 3s2
a)
Neon
b)
Magnesium
c)
Aluminum
d)
Potassium
2.
Which is the electron configuration for an oxygen atom?
a)
1s22s22p63s23p64s2
b)
1s22s22p4
c)
1s22s22p6
d)
1s22s22p63s23p6
3.
What is the maximum number of electrons that an orbital can have?
a)
1 electron
b)
2 electrons
c)
3 electrons
d)
4 electrons
4.
How many valence electrons are represented here?
a)
7
b)
5
c)
2
d)
8
5.
How many orbitals are in a d subshell?
a)
1
b)
3
c)
5
d)
7
6.
How many orbitals are there in a p subshell?
a)
2
b)
1
c)
4
d)
3
7.
How many electrons can the d sublevel hold?
a)
8
b)
10
c)
2
d)
4
8.
What is this element?
1s22s22p63s23p64s23d104p6
a)
Argon
b)
Krypton
c)
Selenium
d)
Bromide
9.
How many electrons can the first energy level hold?
a)
1
b)
2
c)
8
d)
0
10.
How many valence electrons does phosphorus have?
a)
5
b)
2
c)
8
d)
15
11.
Identify the element in Period 5 that has 1 valence electron?
a)
Rb
b)
Nb
c)
Ag
d)
Sb
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