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WorksheetsAtomic Structure and Electron Configuration
Total questions: 10
Worksheet time: 17mins
Name
Class
Date
1.
What atom matches this electron configuration?
1s22s22p63s2
1s22s22p63s2
a)
Neon
b)
Magnesium
c)
Aluminum
d)
Potassium
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.
How many valence electrons are represented here?
a)
7
b)
5
c)
2
d)
8
5.
How many electrons can the d sublevel hold?
a)
8
b)
10
c)
2
d)
4
6.
Emission of light from an atom occurs when an electron
a)
drops from a higher to a lower energy level.
b)
jumps from a lower to a higher energy level.
c)
moves within its atomic orbital.
d)
falls into the nucleus.
7.
What is the shorthand electron configuration for Sulfur atom? (Unfamiliar Situation)
a)
[Ar] 3p4
b)
[He] 3s23p4
c)
[Ne] 3s23p4
d)
[Na] 3s23p3
8.
What element in Period 4 has 5 valence electrons? (Unfamiliar Situation)
a)
Zr
b)
As
c)
V
d)
Sb
9.
As you move down the periodic table atoms get bigger. This is because ____________. (Unfamiliar Situation)
a)
The atoms have more mass.
b)
The atoms have more protons.
c)
The atoms have more energy levels
d)
The atoms have more neutrons
10.
The atom with the largest atomic radius in Group 18 is - (Unfamiliar Situation)
a)
Ar
b)
He
c)
Kr
d)
Rn
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