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Atomic Theory and the Atom

Total questions: 12

Worksheet time: 6mins

Name
Class
Date
1.

Particle of the Atom with a positive (+) charge?

a)

Proton

b)

Neutron

c)

Electron

2.

Particle of the atom that has a negative charge?

a)

Proton

b)

Electron

c)

Neutron

3.

Which subatomic particle is located in the nucleus of the atom?

a)

Neutron

b)

Electron

4.

What is the atomic mass of an atom of carbon that has 7 neutrons?

a)

7

b)

9

c)

13

d)

14

5.

What is the symbol of the element that has 85 protons?

a)

Rb

b)

O

c)

At

d)

Cs

6.

How many electrons does a neutral atom of Silicon (Si) have?

a)

14

b)

28

c)

0

d)

3

7.

What Atomic Theory model is pictured here?

a)

Nuclear Model

b)

Cloud Model

c)

Plum Pudding Model

d)

Planetary Model

e)

Atoms and Voids Model

8.

What Atomic Theory model is pictured here?

a)

Nuclear Model

b)

Cloud Model

c)

Plum Pudding Model

d)

Planetary Model

e)

Atoms and Voids Model

9.

What Atomic Theory model is pictured here?

a)

Nuclear Model

b)

Cloud Model

c)

Plum Pudding Model

d)

Planetary Model

e)

Atoms and Voids Model

10.

What Atomic Theory model is pictured here?

a)

Nuclear Model

b)

Cloud Model

c)

Plum Pudding Model

d)

Planetary Model

e)

Atoms and Voids Model

11.

What Atomic Theory model is pictured here?

a)

Nuclear Model

b)

Cloud Model

c)

Plum Pudding Model

d)

Planetary Model

e)

Atoms and Voids Model

12.

Part of the atom that is located in the center, also contains the protons and neutrons?

a)

Core

b)

Base

c)

Nucleus

d)

Heart