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Atomic Structure

Total questions: 30

Worksheet time: 16mins

Name
Class
Date
1.

The basic building block of matter is:

a)

An atom

b)

A molecule

c)

A particle

d)

A nucleus

2.
Atoms are made up of smaller particles called: 
a)
electrons, neutroids, protons
b)
electrons, nucleus, protons
c)
electrons, neutrons, protons
d)
electroids, nucleoids, protons
3.
The center of the atom is called the
a)
neutron
b)
nucleus
c)
protons
d)
electrons
4.
What is inside the center of an atom?
a)
Electrons
b)
Protons
c)
Neutrons
d)
Protons and Neutrons
5.
What particle is positively charged?
a)
Electron
b)
Neutron
c)
Proton
d)
Nucleus
6.
What particle is negatively charged?
a)
Electron
b)
Neutron
c)
Proton
d)
Nucleus
7.

What particle has no charge (is neutral)?

a)

Electron

b)

Neutron

c)

Proton

d)

Nucleus

8.
Would two protons attract or repel?
a)
Attract
b)
Repel
9.
Would two electrons attract or repel?
a)
Attract
b)
Repel
10.
Would an electron and a proton attract or repel?
a)
Attract
b)
Repel
11.
What is true about a neutral atom?
a)
It has no charge
b)
The number of protons is equal to the number of electrons
c)
The number of electrons will equal the atomic number shown on the periodic table
d)
All of these
12.
What is the atomic number shown in the carbon box?
a)
C
b)
6
c)
12.01
13.
What is the atomic mass shown in the carbon box?
a)
C
b)
6
c)
12.01
14.
What is the atomic symbol shown in the carbon box?
a)
C
b)
6
c)
12.01
15.
How many electrons can the first energy level hold?
a)
2
b)
8
16.
How many electrons can the second energy level hold?
a)
2
b)
8
17.
How many electrons can the third energy level hold?
a)
2
b)
8
18.
How many electrons can the fourth energy level hold?
a)
2
b)
8
19.
What are the rows called in the periodic table?
a)
periods
b)
families or groups
20.
What are the columns called in the periodic table?
a)
periods
b)
families or groups
21.

What element is this an energy level diagram showing?

a)

Carbon

b)

Oxygen

c)

Neon

d)

Nitrogen

22.

What atom does this energy level diagram show?

a)

Helium

b)

Hydrogen

c)

Lithium

23.

What atom does this energy level diagram show?

a)

Chloride

b)

Flourine

c)

Potassium

d)

Calcium

24.

What atom is this energy level diagram showing?

a)

Sodium

b)

Neon

c)

Magnesium

d)

Aluminum

25.

What atom does energy level diagram show?

a)

Flourine

b)

Argon

c)

Potassium

d)

Chlorine

26.

If a neutral atom has 14 protons, how many electrons does it have?

a)

11

b)

12

c)

13

d)

14

27.

What atom has 79 protons?

a)

Silver

b)

Gold

c)

Aluminum

d)

Copper

28.

What does the atomic mass tell us?

a)

The number of protons

b)

The number of electrons

c)

The number of neutrons

d)

The average mass of the atom

29.

What does the atomic number tell us?

a)

The number of protons in an atom

b)

What type of atom it is

c)

The average mass of the atom

30.

How do you find the number of neutrons in an atom?

a)

It is the same of the atomic mass

b)

Atomic number - atomic mass

c)

Atomic mass - atomic number

d)

It is the same as the atomic number

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