WorksheetsPrep Chemistry Electron Configuration
Total questions: 41
Worksheet time: 2hrs 32mins
Name
Class
Date
1.
The electron configuration of an atom is 1s22s22p6. The number of electrons in the atom is
a)
3
b)
6
c)
8
d)
10
2.
What atom matches this electron configuration?
1s22s22p63s23p64s23d10
1s22s22p63s23p64s23d10
a)
Zinc
b)
Copper
c)
Nickel
d)
Germanium
3.
What is the noble gas shorthand electron for Sulfur atom?
a)
[Ar] 3p4
b)
[He] 3s23p4
c)
[Ne] 3s23p4
d)
[Na] 3s23p4
4.
What atom matches this electron configuration?
[Xe] 6s25d9
[Xe] 6s25d9
a)
Mercury
b)
Gold
c)
Platinum
d)
Thallium
5.
How many electrons can the first energy level hold?
a)
1
b)
2
c)
8
d)
0
6.
An orbital can at most hold how many electrons?
a)
1 electron
b)
2 electrons
c)
3 electrons
d)
4 electrons
7.
What atom is represented here?
a)
Carbon
b)
Nitrogen
c)
Oxygen
d)
Fluorine
8.
What is the highest occupied energy level?
a)
4
b)
5
c)
6
d)
7
9.
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
10.
Electron arrangement that uses arrows
a)
Electron configuration
b)
Shorthand configuration
c)
Lewis dot structure
d)
Orbital diagram
11.
What atom matches this electron configuration?
1s22s22p63s23p64s23d10
1s22s22p63s23p64s23d10
a)
Zinc
b)
Copper
c)
Nickel
d)
Germanium
12.
Which of the following is a p block element?
a)
Ca
b)
Ar
c)
Re
d)
Au
13.
What is the shape of an s orbital?
a)
sphere
b)
dumbbell
c)
double dumbbell
d)
TOO COMPLEX TO KNOW IT.
14.
What is the shape of a p orbital?
a)
sphere
b)
it's just too complex to think about it
c)
dumbbell
d)
I don't know this stuff.
15.
Which two would have the same shape?
a)
2p
b)
2s
c)
3d
d)
1s
16.
What is the electron configuration of Ag?
a)
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s1 4d10
b)
[Kr] 5s2 4d9
c)
1s2 2s2 2p6 3s2 3p6 4s2 4p6 5s2 4d9
d)
1s2 2s2 2p6 3s2 3p6 3d10 4s2 4d10 4p6 5d10 5s2 4d9
17.
Electrons are paired based on their spin directions, clockwise and counterclockwise, is what electron configuration rule?
a)
Hund’s Rule
b)
Aufbau Principle
c)
Pauli Exclusion Principle
18.
Which orbital shows a violation of Hund's Rule?
a)
A
b)
B
c)
C
d)
D
19.
Which orbital shows a violation of the Pauli Exclusion Principle?
a)
A
b)
B
c)
C
d)
D
20.
Which orbital shows a violation of the Aufbau Principle?
a)
A
b)
B
c)
C
d)
D
21.
Which element is pictured?
a)
neon
b)
fluorine
c)
magnesium
d)
argon
22.
Which of the following rules requires that each of the p orbitals at a particular energy level receive one electron before any of them can have two electrons?
a)
the Pauli exclusion principle
b)
Hund's rule.
c)
the Aufbau principle.
d)
the quantum rule.
23.
For the f sublevel, the number of orbitals is
a)
18.
b)
9.
c)
5.
d)
7.
24.
The total number of orbitals that can exist in a p sublevel is
a)
5
b)
3
c)
1
d)
7
25.
Which travels faster, light or sound?
a)
light
b)
sound
26.
___orbital has 14 total electrons.
a)
S
b)
P
c)
F
d)
D
27.
What is incorrect about this orbital diagram?
a)
Both arrows in the 2p box should be pointing up
b)
There is nothing incorrect with this diagram
c)
In the there should only be 1 orbital in the first 2p box and one in the 2nd 2p box
d)
All the arrows should be pointing up.
28.
Which color has the highest energy?
a)
red
b)
orange
c)
green
d)
purple
29.
Which sub-shells can be present in the fourth energy level?
a)
s
b)
s,p
c)
s,p,d
d)
s,p,d,f
30.
How many unpaired electrons would lithium have?
a)
1
b)
2
c)
3
d)
0
31.
How many half-filled orbitals would silicon contain?
a)
0
b)
2
c)
1
d)
3
32.
Which element would have zero half-filled orbitals?
a)
potassium
b)
copper
c)
magnesium
d)
oxygen
33.
Which element would have 5 half-filled orbitals?
a)
sodium
b)
manganese
c)
sulfur
d)
uranium
34.
How many p electrons are in bromine?
a)
5
b)
12
c)
17
d)
6
35.
How many d electrons are in zirconium?
a)
2
b)
12
c)
40
d)
10
36.
What is the correct configuration for uranium?
a)
[Xe] 6s2 4d 3
b)
[Rn] 7s2 5f3
c)
[Rn] 7s2 6d1 5f3
d)
[Rn] 7s2 6d1 6f3
37.
What is the correct configuration for lead?
a)
[Rn] 6s2 5d10 4f14 6p2
b)
[Xe] 6s2 6d10 6p2
c)
[Xe] 6s2 5d10 6p2
d)
[Xe] 6s2 5d10 4f14 6p2
38.
This orbital diagram represents:
a)
C
b)
B
c)
N
d)
O
39.
What is incorrect about this orbital diagram?
a)
Both arrows in the 2p box should be pointing up
b)
There is nothing incorrect with this diagram
c)
In the 2p box there should only be 1 electron in the first 2p box and one in the 2nd 2p box
d)
All the arrows should be pointing up.
40.
Which is associated with more energy?
a)
2p
b)
2s
c)
3p
d)
1s
41.
The orbital diagram of this element has 9 electrons in 4d.
a)
Silver
b)
Palladium
c)
Cobalt
d)
Copper
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