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Molecules and Bonds Review

Total questions: 14

Worksheet time: 15mins

Name
Class
Date
1.

How confident are you in your memory of molecular bonds?

a)

Very confident

b)

I could be more confident

c)

Not confident

d)

I dont remember anything

2.

Why do scientists use models to represent molecular bonds?

4 lines
3.

What is a molecule?

a)

A group of atoms bonded together

b)

An element

c)

A group of compounds bonded together

d)

None of the above

4.

What is a compound?

a)

A substance consisting of more than 1 type of element

b)

A large molecule

c)

A combination of the same elements

d)

None of the above

5.

What is the relationship between molecules and compounds?

4 lines
6.

(a)   are made up of atoms, connected by bonds

7.

What kind of model is this?

a)

Lewis Dot

b)

Ball and Stick

c)

Space Filling

d)

None of the above

8.

What kind of model is this?

a)

Ball and Stick

b)

Lewis Dot

c)

Space Filling

d)

Compound - Molecule

9.

What kind of model is this?

a)

Lewis Dot

b)

Molecule - Compound

c)

Space Filling

d)

Ball and Stick

10.

Is water (H2O) a molecule?

a)

Yes

b)

No

11.

Is water (H2O) a compound?

a)

Yes

b)

No

12.

Is Ozone (O3) a molecule?

a)

Yes

b)

No

13.

Is ozone (O3) a compound?

a)

Yes

b)

No

14.

Why is water (H2O) a compound but ozone (O3) not?

4 lines