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Electron Configuration and Orbital Notation

Total questions: 21

Worksheet time: 42mins

Name
Class
Date
1.
Which electron configuration belongs to Chlorine (Cl)?
a)
1s2 2s2 2p6 3s2 3p5
b)
1s2 2s2 2p6 3s2 3p6
c)
1s2 2s2 2p6 3s2 3p7
2.
What atom matches this electron configuration?
1s22s22p63s23p64s23d10
a)

Zinc (Zn)

b)

Copper (Cu)

c)

Nickel (Ni)

d)

Germanium (Ge)

3.

What electron configuration matches an oxygen (O) atom?

a)
1s22s22p63s2, 3p64s23d104p5
b)
1s22s22p4
c)
1s22s22p6
d)
1s22s22p63s23p64s23d1
4.
What atom matches this electron configuration?
1s22s22p63s2
a)

Neon (Ne)

b)

Magnesium (Mg)

c)

Aluminum (Al)

d)

Potassium (K)

5.
Which electron configuration belongs to Copper (Cu)?
a)
1s2 2s2 2p6 3s2 3p6 4s2 3d8
b)
1s2 2s2 2p6 3s2 3p6 4s2 3d9
c)
1s2 2s2 2p6 3s2 3p6 4s2 3d10
6.

What element has the following electron configuration?

1s22s22p63s23p64s23d104p65s1

a)

Rubidium (Rb)

b)

Halfnium (Hf)

c)

Aluminum (Al)

d)

Potassium (K)

7.
What is the maximum number of electrons that an orbital can have?
a)
1 electron
b)
2 electrons
c)
3 electrons
d)
4 electrons
8.
How many d orbitals are there in a given sublevel?
a)
1
b)
3
c)
5
d)
7
9.
How many p orbitals are there in a sublevel?
a)
2
b)
1
c)
4
d)
3
10.
What atom matches this electron configuration?
[Xe] 6s2 4f14 5d9
a)
Mercury
b)
Gold
c)
Platinum
d)
Thallium
11.
What is the shorthand electron configuration for Sulfur atom?
a)
[Ar] 3p4
b)
[He] 3s23p4
c)
[Ne] 3s23p4
d)
[Na] 3s23p3
12.
Which element is pictured?
a)
neon
b)
fluorine
c)
magnesium
d)
argon
13.

Match the elements with their electron configuration

a)

1s2 2s2 2p3

1.

Nitrogen, N

b)

1s2 2s2 2p6 3s2 3p3

2.

Phosphorus, P

c)

1s2

3.

Helium, He

d)

1s2 2s2 2p6 3s2 3p6

4.

Argon, Ar

e)

1s2 2s2 2p6 3s2 3p6 4s2 3d5

5.

Manganese, Mn

14.
What is the noble gas configuration for beryllium?
a)
[He]1s2
b)
[He]2s2
c)
[Li]2s1
d)
[Li]2s2
15.
What is the noble gas configuration for boron?
a)
[He]1s22s2
b)
[He]2s22p2
c)
[He]2s22p1
d)
[Li]2s22p1
16.

Match the elements with their electron configuration

a)

1s2 2s2 2p3

1.

Nitrogen, N

b)

1s2 2s2 2p6 3s2 3p3

2.

Phosphorus, P

c)

1s2

3.

Helium, He

d)

1s2 2s2 2p6 3s2 3p6

4.

Argon, Ar

e)

1s2 2s2 2p6 3s2 3p6 4s2 3d5

5.

Manganese, Mn

17.
This orbital diagram represents:  
a)
C
b)
B
c)
N
d)
O
18.
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.
19.

What is the noble gas shorthand electron for Phosphorus atom?

a)

[Ar] 3p4

b)

[He] 3s23p4

c)

[Ne] 3s23p3

d)

[Na] 3s23p4

20.
Which element is pictured?
a)
neon
b)
fluorine
c)
magnesium
d)
argon
21.
Which orbital shows a violation of the Aufbau Principle?
a)
A
b)
B
c)
C
d)
D

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