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WorksheetsElec config test
Total questions: 18
Worksheet time: 26mins
Name
Class
Date
1.
How many electrons does Si contain? (click to see image)
a)
14
b)
28
c)
2
d)
4
2.
How many electrons can the first energy level hold?
a)
1
b)
2
c)
8
d)
0
3.
How many electrons can the d sublevel hold?
a)
8
b)
10
c)
2
d)
4
4.
The electron configuration of an atom is 1s22s22p6. The number of electrons in the atom is
a)
3
b)
6
c)
8
d)
10
5.
All matter is composed of
a)
elements
b)
blood
c)
atoms
d)
electrons
6.
What group of elements has a complete outer shell of electrons?
a)
Alkali metals
b)
Noble gases
c)
Halogens
d)
transition metals
7.
The way in which electrons are arranged in various orbitals around the nucleus
a)
electron arrangement
b)
formation
c)
electron clouds
d)
electron configuration
8.
What is the electron configuration notation for carbon?
a)
2s2 2p2 3s2
b)
1s2 2s2 2p2
c)
1s2 2s1 2p3
d)
1s2 2s3 2p1
9.
What noble gas should be used to write the shorthand configuration for Te?
a)
Ar
b)
Kr
c)
Xe
d)
Sb
10.
How many valence electrons does phosphorus have?
a)
5
b)
2
c)
8
d)
15
11.
What is the shorthand electron configuration for Sulfur atom?
a)
[Ar] 3p4
b)
[He] 3s23p4
c)
[Ne] 3s23p4
d)
[Na] 3s23p3
12.
What is this element?
1s22s22p63s23p6
4s23d104p6
1s22s22p63s23p6
4s23d104p6
a)
Argon
b)
Krypton
c)
Selenium
d)
Bromide
13.
How many electrons can the d sublevel hold?
a)
8
b)
10
c)
2
d)
4
14.
Which is the electron configuration for an oxygen atom?
a)
1s22s22p63s23p64s2
b)
1s22s22p4
c)
1s22s22p6
d)
1s22s22p63s23p6
15.
What atom matches this electron configuration?
1s22s22p63s23p64s23d10
1s22s22p63s23p64s23d10
a)
Zinc
b)
Copper
c)
Nickel
d)
Germanium
16.
What is the shorthand electron configuration for Sulfur atom?
a)
[Ar] 3p4
b)
[He] 3s23p4
c)
[Ne] 3s23p4
d)
[Na] 3s23p3
17.
[Ne]3s23p5 is the noble gas configuration for which element?
a)
chlorine
b)
fluorine
c)
sulfur
d)
aluminum
18.
What atom matches this electron configuration?
1s2 2s2 2p6 3s2
1s2 2s2 2p6 3s2
a)
Neon
b)
Magnesium
c)
Aluminum
d)
Potassium
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