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WorksheetsElectron Configurations Review
Total questions: 15
Worksheet time: 19mins
Name
Class
Date
1.
Electrons occupy orbitals of lowest energy first is part of what electron configuration rule?
a)
Hund’s Rule
b)
Aufbau Principle
c)
Pauli Exclusion Principle
2.
How many electrons can the first energy level hold?
a)
1
b)
2
c)
8
d)
0
3.
There are 4 different types of subshells (orbitals) s,p,d,f.
a)
true
b)
false
4.
What configuration do you start electron configurations with?
a)
1s2
b)
1d10
c)
1f14
d)
1p6
5.
Which periodic table family could have electrons filling orbitals in the s-block?
a)
Alkaine Earth
b)
Halogens
c)
Noble Gases
d)
Transition Metals
6.
Which periodic family would have electrons in the f-block?
a)
Transition metals
b)
Rare Earth Elements (Inner Transitions Metals)
c)
Alkali Metals
d)
Halogens
7.
Orbitals can hold a maximum of two electrons each with opposite spins is which rule?
a)
Aufbau Principle
b)
Pauli Exclusion Principle
c)
Hund's Rule
8.
An orbital can at most hold how many electrons?
a)
1 electron
b)
2 electrons
c)
3 electrons
d)
4 electrons
9.
What is this element?
1s22s22p63s2
1s22s22p63s2
a)
Neon
b)
Magnesium
c)
Aluminum
d)
Potassium
10.
What is this element?
1s22s22p63s23p64s23d10
1s22s22p63s23p64s23d10
a)
Zinc
b)
Copper
c)
Nickel
d)
Germanium
11.
How many electrons does Si contain? (click to see image)
a)
14
b)
28
c)
2
d)
4
12.
The electron configuration of an atom is 1s22s22p6. The number of electrons in the atom is
a)
3
b)
6
c)
8
d)
10
13.
What is this element?
[Ne] 3s23p64s2
[Ne] 3s23p64s2
a)
Calcium
b)
Sodium
c)
Scandium
d)
Titanium
14.
What is the electron configuration for Bromine (Br)
a)
1s2, 2s2, 2p6, 3s2, 3p6, 4s2, 3d1
b)
1s2, 2s2, 2p4
c)
1s2, 2s2, 2p6, 3s2, 3p6, 4s2, 3d10, 4p5
d)
1s2, 2s2, 2p6
15.
What is the noble gas configuration for Sulfur?
a)
[Ar] 3p4
b)
[He] 3s2 3p4
c)
[Ne] 3s2 3p4
d)
[Na] 3s2 3p4
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