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Electron Configuration and Orbital Diagrams

Total questions: 22

Worksheet time: 4hrs 40mins

Name
Class
Date
1.
What atom matches this electron configuration?
1s22s22p63s23p64s23d10
a)
Zinc
b)
Copper
c)
Nickel
d)
Germanium
2.
What atom matches this electron configuration?
1s22s22p63s2
a)
Neon
b)
Magnesium
c)
Aluminum
d)
Potassium
3.
How many electrons can the first energy level hold?
a)
1
b)
2
c)
8
d)
0
4.
Which electron configuration belongs to Chlorine (Cl)?
a)
1s2s2p3s3p5
b)
1s2s2p3s3p6
c)
1s2s2p3s3p7
5.
There are 4 different types of subshells s,p,d,f
a)
true
b)
false
6.

Electrons occupy orbitals of lowest energy first is part of what rule?

a)

Hund’s Rule

b)

Aufbau Principle

c)

Pauli Exclusion Principle

7.
Electron arrangement that uses arrows
a)
Electron configuration
b)
Shorthand configuration
c)
Lewis dot structure
d)
Orbital diagram
8.
What is the shorthand electron configuration for Sulfur atom?
a)
[Ar] 3p4
b)
[He] 3s23p4
c)
[Ne] 3s23p4
d)
[Na] 3s23p3
9.
Which of the following is a p block element?
a)
Ca
b)
Ar
c)
Re
d)
Au
10.
What electron configuration matches an oxygen atom?
a)
1s22s22p63s2, 3p64s23d104p5
b)
1s22s22p4
c)
1s22s22p6
d)
1s22s22p63s23p64s23d1
11.
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
12.
Identify the Electron Configuration for Aluminum (Al)
a)
1s2s2p3s3p1
b)
1s2s2p3s3p3
c)
1s2s2p3s4p1
13.

The electron configuration of an atom is 1s22s22p63s23p2 The number of valence electrons in the atom is

a)

2

b)

4

c)

8

d)

10

14.
Which element is depicted from this orbital diagram
a)
Fluorine
b)
Neon
c)
Chlorine
d)
Argon
15.

This orbital diagram represents which element?

a)

C

b)

B

c)

N

d)

O

16.

How many electrons can an f sublevel hold?

a)

2

b)

6

c)

10

d)

14

17.

What is the correct Noble Gas shorthand electron configuration for phosphorus atom?

a)

[Ar] 4s2

b)

[He]2s22p4

c)

[Ne] 3s23p4

d)

[Ne] 3s23p3

18.

What noble gas should be used to write the shorthand configuration for Te (#52)?

a)

Ar

b)

Kr

c)

Xe

d)

Sb

19.

What electron configuration matches the ion: Al +3

a)

1s22s22p63s23p4

b)

1s22s22p6

c)

1s22s22p63s23p1

d)

1s22s22p63s2

20.

Pauli’s exclusion principle describe that

a)

An atomic orbital can only hold a maximum of 2 electrons, each with opposite spins

b)

An atomic orbital can only hold a maximum of 6 electrons, each of the same spin

c)

An atomic orbital can hold a minimum of 6 electrons, each with opposite spins

d)

An atomic orbital can hold a minimum 2 electrons, each with opposite spins.

21.

Which of the rule is being ignored in the orbital diagram shown above.

a)

aufbau principle

b)

The Pauli's exclusion principle

c)

Hund's rule

d)

The Heisenberg uncertainty principle

22.

Which of the following statements correctly explain the error in the orbital diagram shown above.

a)

Both arrows in the filled 2p orbital should be pointing in the same direction.

b)

There is nothing wrong with this diagram

c)

There should be one arrow in the first 2p orbital and the second arrow should occupied another 2p orbital

d)

All arrows should be pointing in the same direction