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Atomic Structure

Total questions: 16

Worksheet time: 30mins

Name
Class
Date
1.

The number 16 for the atomic element sulfur is the

a)

ionic number

b)

isotope

c)

atomic mass

d)

atomic number

2.

How many protons does sulfur have?

a)

32

b)

16

c)

8

d)

12

3.

How many electrons does sulfur have

a)

16

b)

32

c)

8

d)

12

4.

The center of an atom is called the ________________.

a)

electron cloud

b)

nucleus

c)

proton

d)

electron

5.

Found orbiting outside the nucleus, this subatomic particle has a negative charge.

a)

Neutron

b)

Proton

c)

Electron

d)

Isotope

6.

Found in the nucleus of an atom. This particle has a positive charge.

a)

Neutron

b)

Proton

c)

Electron

d)

Decepticon

7.

How many protons does indium have?

a)

49

b)

66

c)

114

d)

115

8.

What is the atomic mass of barium

a)

56

b)

82

c)

137

d)

138

9.

How many neutrons does platinum have?

a)

78

b)

117

c)

195

d)

196

10.

What is the atomic number?

a)

the number of protons in the nucleus

b)

the number of protons and neutrons in the nucleus

c)

the number of neutrons in the nucleus

d)

the number of protons in the energy levels

11.
What does the C represent?
a)
atomic mass
b)
atomic number
c)
element name
d)
chemical symbol 
12.

What does the 6 represent?

a)

Atomic mass

b)

atomic number

c)

chemical symbol

d)

element name

13.
What subatomic particles would you find in the nucleus of an atom?
a)
Protons only
b)
Protons and Neutrons
c)
Neutrons and Electrons
d)
Protons and Electrons 
14.

___________ are atoms of the same element that have a different number of neutrons.

a)

Electrons

b)

Isotopes

c)

Ions

d)

Valences

15.
The proton number of an atom is equal to the _________________ of the atom.
a)
mass number
b)
atomic mass number
c)
atomic number
d)
neutron number
16.

BONUS:

____________ electrons are the number of electrons in the outer shell.

a)

Periodic

b)

Isotope

c)

Valence

d)

Final