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WorksheetsElectronic configuration
Total questions: 10
Worksheet time: 6mins
Name
Class
Date
1.
How many electrons per shell does sodium have?
a)
2,8
b)
2,8,2
c)
2,8,1
d)
2,2,8
2.
Which element has 2,5 electrons per shell?
a)
Oxygen
b)
Nitrogen
c)
Phosphorus
d)
Carbon
3.
How many electrons in the 4th shell
a)
2
b)
18
c)
42
d)
32
4.
orbitals fill in order of........
a)
increasing size
b)
increasing charge
c)
increasing energy
5.
How many electrons does Si contain? (click to see image)
a)
14
b)
28
c)
2
d)
4
6.
How many electrons can the first energy level hold?
a)
1
b)
2
c)
8
d)
0
7.
The atomic number tells you...
a)
the number of protons
b)
the number of neutrons
c)
the number of electrons
8.
What charge do electrons have?
a)
Positive
b)
Neutral
c)
Negative
9.
How many electrons can the third shell have?
a)
Two
b)
Eight
c)
Five
d)
Three
10.
Which two particles are contained in the nucleus of an atom?
a)
Protons and Neutrons
b)
Protons and Electrons
c)
Electrons and Neutrons
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