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WorksheetsElectron Configuration
Total questions: 18
Worksheet time: 43mins
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.
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
5.
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
6.
How many electrons does Si contain? (click to see image)
a)
14
b)
28
c)
2
d)
4
7.
How many electrons can the first energy level hold?
a)
1
b)
2
c)
8
d)
0
8.
What is this element?
1s22s22p63s2
1s22s22p63s2
a)
Neon
b)
Magnesium
c)
Aluminum
d)
Potassium
9.
There are 4 different types of subshells s,p,d,f
a)
true
b)
false
10.
How many valence electrons are represented here?
a)
7
b)
5
c)
2
d)
8
11.
How many d orbitals are there in a given sublevel?
a)
1
b)
3
c)
5
d)
7
12.
How many p orbitals are there in a sublevel?
a)
2
b)
1
c)
4
d)
3
13.
How many valence electrons does Chlorine have?
a)
5
b)
2
c)
7
d)
5
14.
How many valence electrons does phosphorus have?
a)
5
b)
2
c)
8
d)
15
15.
Identify the element in Period 5 that has 1 valence electron?
a)
Rb
b)
Nb
c)
Ag
d)
Sb
16.
What element in Period 4 has 5 valence electrons?
a)
Zr
b)
As
c)
V
d)
Sb
17.
Which of the following is a p block element?
a)
Ca
b)
Ar
c)
Re
d)
Au
18.
How many orbitals are in the s sublevel?
a)
1
b)
3
c)
5
d)
7
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