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Parts of an atom

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

How many protons does Aluminum have?

a)

27

b)

26,982

c)

13

d)

26

2.

What is the formula for figuring out the number of neutrons in an atom?

a)

Atomic# = P = e

b)

Mass - atomic # = Neutrons

c)

Mass + protons + electrons = Neutrons

d)

Atomic # = Neutrons

3.

Where are the electrons located in a atom?

a)

With the protons

b)

with the neutrons

c)

in th nucleus

d)

in the electron cloud

4.

Which subatomic particles have a negative charge?

a)

plancks

b)

protons

c)

neutrons

d)

electrons

5.

Where are neutrons located in an atom?

a)

in the nucleus

b)

in the electron cloud

c)

Florida

d)

with the electrons

6.

These subatomic particles have no charge

a)

protons

b)

electrons

c)

neutrons

d)

plancks

7.

How many electrons are found in Neon?

a)

20

b)

20.180

c)

10

d)

21

8.

Where are protons located in an atom?

a)

in the elctron cloud

b)

Chicago

c)

nucleus

d)

With the electrons

9.

How many neutrons does this atom of chlorine have?

a)

18

b)

17

c)

35

d)

35.45

10.

How many protons does Manganese (Mn) have?

a)

55

b)

54.94

c)

25

d)

50

11.

If you have atom with an atomic number of 32, what else do you know about the atom?

a)

It has 32 neutrons

b)

It has 32 protons

c)

It is the element Sulfur

d)

There is nothing you can know from the atomic number

12.

How many protons, neutrons and electrons does Strontium (Sr) have?

a)

38 protons

38 neutrons

38 electrons

b)

87.62 protons

87.62 neutrons

38 electrons

c)

38 protons

88 neutrons

88 electrons

d)

38 protons

50 neutrons

38 electrons

13.

What atom is represented by the picture?

a)

Carbon

b)

Neon

c)

Helium

d)

Beryllium

14.

What 2 particles make up the mass of an atom?

a)

electron and neutron

b)

proton and electron

c)

protons only

d)

protons and neutrons

15.

These are the subatomic particle with the positive charge

a)

Protons

b)

Neutrons

c)

Electrons

d)

Plancks