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Worksheets

Lewis Dot Diagrams

Total questions: 28

Worksheet time: 32mins

Name
Class
Date
1.
How many electrons should Lithium have around its Lewis dot model?
a)
1
b)
2
c)
3
d)
4
2.
How many electrons should Beryllium have around its Lewis dot model?
a)
1
b)
2
c)
3
d)
4
3.
How many electrons should Boron have around its Lewis dot model?
a)
1
b)
3
c)
5
d)
7
4.

Electrons located in the highest occupied energy level of an atom are called

a)

Outer electrons

b)

Valence electrons

c)

Bonding electrons

d)

Reactive electrons

5.

The electrons in the inner orbitals of an atom are referred to as

a)

core electrons

b)

valence electrons

c)

inert electrons

d)

useless electrons

6.

The maximum number of valence electrons in an element in the first three rows of the table is

a)

2

b)

4

c)

6

d)

8

7.

Aluminum has _____ valence electrons

a)

3

b)

13

c)

5

d)

8

8.

Which is the correct molecular structure for carbon dioxide?

a)
b)
c)
d)
9.

What atom is shown in the picture?

a)

Sodium (Na)

b)

Fluorine (F)

c)

Sulfur (S)

d)

Potassium (K)

10.

Does this lewis dot structure show the octet rule?

a)

Yes

b)

No

11.

Is this the correct Lewis Dot Structure for phosphorus?

a)

Yes

b)

No

12.

Is this the correct Lewis Dot Structure for Boron?

a)

Yes

b)

No, missing electrons

c)

No, too many electrons

d)

No, electrons in wrong place

13.

Is this the correct Lewis Dot Structure for Boron?

a)

Yes

b)

No, missing electrons

c)

No, too many electrons

d)

No, dots are in wrong place.

14.

Is this correct way to draw the Lewis Dot Structure for Carbon?

a)

Yes

b)

No, too many electrons

c)

No, not enough electrons

d)

No, dots are in wrong places

15.

Is this the correct Lewis Dot Structure for Carbon?

a)

Yes

b)

No, too many electrons

c)

No, too little electrons

d)

No, dots are in wrong place.

16.

Is this the correct Lewis Dot Structure of Be?

a)

Yes

b)

No

17.

This is a correct dot diagram for neon (Ne)

a)

True

b)

False

18.

By replacing the element symbol, this could be the dot diagram of

a)

Mg

b)

Cl

c)

C

d)

O

19.

What is the correct formula for this molecule?

a)

NH

b)

N3H

c)

NH3

d)

NH4

20.
Three pairs of electrons are shared in a
a)
Single bond
b)
Double bond
c)
Triple bond
21.

When an atom loses an electron, it becomes a:

a)

Positive ion

b)

Negative ion

c)

Neutral ion

d)

Neutral atom

22.

What is the ONLY part of the atom that makes a chemical bond

a)

Nucleus

b)

Electrons

c)

Valence Electrons

d)

Protons

23.
What is the name of this element?
a)
Helium
b)
Hydrogen
c)
Argon
d)
Silver
24.
What is the name of this element?
a)
Lithium
b)
Boron
c)
Carbon
d)
Neon
25.
What is the mass number of this atom?
a)
1
b)
3
c)
4
d)
7
26.
What is the atomic number of this atom?
a)
2
b)
4
c)
6
d)
none of the above
27.
How many valence electrons?
a)
2
b)
3
c)
5
d)
10
28.

Which Lewis Dot Model drawing correctly shows an O2 molecule?

a)
b)
c)
d)