Free Printable Elements Compounds Mixtures Particle Diagrams Homogeneous

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Elements Compounds Mixtures Particle Diagrams Homogeneous

Total questions: 25

Worksheet time: 20mins

Name

Class

Date

DIFFERENT kinds of atoms chemically combined to form a substance are

Mixture

Element

Compound

Substance

You are eating a pizza. What type of mixture are you consuming?

homogeneous

heterogeneous

pure substance

The Periodic Table

A mixture that appears to be evenly mixed throughout:

an atom

a compound

a homogeneous mixture

a heterogeneous mixture

Salt is a(n)

element

compound

mixture

This contains a variety elements and compounds that ARE NOT chemically combined.

Water

Mixture

Elements

Compounds

Italian Salad Dressing is a . . .

heterogeneous mixture

homogeneous mixture

Pure Substance

Compound

Which of the following is an element?

Sugar

Salt

Water

Oxygen

Of these mixtures, which one is a solution?

A combination of particles of one or more substance that are distributed uniformly throughout another substance is a/an

Mixture

Substance

Solution

10.

A pure substance that cannot be broken down into other substances by chemical or physical means.

compound

atom

mixture

element

11.

Water is an element

true

false

12.

A pure substance...

is an element or a compound

is an element or a mixture

is a compound or a mixture

is a mixture

13.

If a spoonful of sugar is mixed in a glass of water, what is the water called?

solute

solution

solvent

element

14.

Sugar water is a

solution

suspension

colloid

15.

Which statement identifies why oxygen is classified as a pure substance and air is classified as a mixture?

Oxygen is more reactive than air.

Oxygen has a higher density than air.

Oxygen goes under a phase change, whereas air is always a gas.

Oxygen contains only one substance, but air contains several substances.

16.

When electricity passes through water, hydrogen and oxygen are produced. Which table correctly labels the compounds and elements involved in the process?

Water-->Compound

Hydrogen-->Compound

Oxygen--->Element

Water-->Compound

Hydrogen--->Element

Oxygen--->Compound

Water--->Compound

Hydrogen--->Element

Oxygen--->Element

17.

This image is a model of...

an element

a compound

a homogenous mixture

a heterogeneous mixture

18.

This picture is a model of...

an element

a compound

a homogenious mixture

a heterogeneous mixture.

19.

Which of the following is not a compound?

HCl

NaCl

CO2

20.

Mixtures are separated through ___________changes.

mixture

compound

physical

21.

Examples are milk and gasoline.

elements

mixtures

compounds

22.

What makes elements and compounds different from mixtures? Elements & compounds-

have a constant composition (pure substances)

are made of gases

Will not change when heated

conduct electric current

23.

In the diagrams provided, the circles of different colors represent the atoms of different elements. Which diagram represents a mixture?

III

24.

In this diagram, Y represents...

An element

A molecule

A compound

A mixture

25.

Iced Tea (with ice in it)

Element

Compound

Heterogenous Mixture

Solution

Reset

Elements Compounds Mixtures Particle Diagrams Homogeneous

Total questions: 25

Worksheet time: 20mins

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