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Molecules, Atoms, Compounds, Elements

Total questions: 10

Worksheet time: 1hrs 10mins

Name
Class
Date
1.

The smallest particle of an element is a(n) __________.

a)

Element

b)

Atom

c)

Compound

d)

Proton

2.

Which statement is true about atoms and molecules?

a)

Molecules and atoms attract each other.

b)

Atoms and molecules repel each other.

c)

Atoms may combine to form molecules.

d)

Molecules may combine to form atoms.

3.

How is a molecule different from an atom?

a)

A molecule is smaller than an atom.

b)

An atom is not at all related to a molecule.

c)

A molecule is a group of the same kind of atoms.

d)

A molecule has 2 or more atoms bonded together.

4.

Explain why all compounds are molecules, but not all molecules are compounds.

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5.

A substance that is made up of two or more different element is called a(n) _________.

a)

Compound

b)

Molecule

c)

Atom

6.

Select all that are compounds.

a)

Water

b)

Gold

c)

Table Salt

d)

Chicken Noodle Soup

e)

Rocky Road Ice Cream

7.

Of the following, ____________ is NOT a compound.

a)

Sodium Chloride

b)

Water

c)

Oxygen

d)

Sodium Chloride

8.

True or False:

In a compound, the components are always combined in definite proportions.

a)

True

b)

False

9.

Which of the following choice sequences that parts of matter from smallest to largest.

a)

Element -> Compound -> Atom

b)

Element -> Atom -> Compound

c)

Atom -> Compound -> Element

d)

Atom -> Element -> Compound

10.

The smallest unit of an element that maintains the properties of that element is a(N) ___________________.

4 lines