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Worksheets

Unit 1

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

What are the subatomic particles?

a)

Protons

b)

Neutrons

c)

atoms

d)

electrons

2.

What is an atom?

a)

The smallest particle of an element.

b)

The biggest particle of an element.

c)

An element

d)

A compound

3.

Where are the neutrons in the atom?

a)

outside the nucleus

b)

The outermost shell

c)

inside the nucleus

d)

There are no neutrons in atoms

4.

What subatomic particle is found outside the nucleus

a)

An atom

b)

A proton

c)

A neutron

d)

An electron

5.

What kind of charge do electrons have?

a)

Negative

b)

No charge

c)

Positive

d)

electric

6.

True or False? The abbreveation M.A.N is to find neutrons.

a)

True

b)

False

7.

The outermost electrons are called…

a)

electrons

b)

Valence electrons

c)

Protons

d)

neutrons

8.

True or False? The protons have no charge.

a)

True

b)

False

9.

Where are protons located in an atom?

a)

Outside the nucleus

b)

inside the nucleus

10.

What kind of charge do nuetrons?

a)

Negative Charge

b)

No charge

c)

Positive

11.

True or False? You can find out which element this is by looking at the atomic number.

a)

True

b)

False

12.

What abbreveation can you use to find out how many electrons are in an element?

a)

A.P.E.

b)

M.A.N

c)

W= F x d

d)

A.P.E.E

13.

Which Subatomic particle has the least amount of mass?

a)

Protons

b)

Neutrons

c)

Electrons

d)

Atoms

14.

Which element has 14 protons?

a)

Boron

b)

Magnesium

c)

Krypton

d)

Silicon

15.

Which element is displayed in this picture?

a)

Carbon

b)

Iodine

c)

Beryllium

d)

Potassium

16.

Which element is more reactive?

a)

Krypton

b)

Oxygen

c)

Aluminium

d)

Hydrogen

17.

Which element has 16 neutrons?

a)

Phosphorus

b)

Lithium

c)

Radon

d)

Florine

18.

True or False? The symbol for Potassium is P.

a)

True

b)

False

19.

Which element has 1 electron.

a)

Calcium

b)

Hydrogen

c)

Nickel

d)

Neon

20.

Which element is in the same group as Radium?

a)

Potassium

b)

Lead

c)

Magnesium

d)

Silicon