wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Atoms and Molecules

Total questions: 14

Worksheet time: 22mins

Name
Class
Date
1.

A neutron has what charge and is located where?

a)

positive

nucleus

b)

neutral

nucleus

c)

negative

nucleus

d)

positive

orbiting

2.

An electron has a (a)   charge.

3.

Which particle has such a small weight that we consider it to be 0?

a)

electron

b)

neutron

c)

catron

d)

proton

4.

The atomic number tells us:

a)

The number of neutrons

b)

The number of protons

c)

The number of electrons

d)

The number of protons and electrons

5.

What is the symbol for cobalt?

a)

CO

b)

C

c)

Co

d)

Ca

6.

Au is the symbol for

a)

Gold

b)

Silver

c)

Augmentin

d)

Aluminum

7.

The atomic mass tells us the mass of:

a)

The neutrons

b)

The atom

c)

The electrons and the protons

d)

The neutrons and the protons

8.

What element has the atomic number 7?

a)

Lithium

b)

Nitrogen

c)

Air

d)

Oxygen

9.

What element has 29 electrons?

a)

Copper

b)

Cobalt

c)

Calcium

d)

Chlorine

10.

How many neutrons does the element with the symbol K have?

a)

21

b)

19

c)

20.098

d)

20

11.

What is the Atomic weight of Mercury?

a)

81

b)

80

c)

200.59

d)

205

12.

What is this?

a)

A water atom

b)

A water molecule

c)

A bubble drawing

d)

It is making me thirsty

13.

What is this?

a)

Something to exercise with

b)

An oxygen atom

c)

An oxygen molecule

d)

An earing

14.

A proton has a ___________ charge

a)

negative

b)

neutral

c)

positive

d)

proton