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Worksheets

Element Compounds and Mixtures

Total questions: 40

Worksheet time: 20mins

Name
Class
Date
1.

made up of only one sort of atom

a)

element

b)

compound

c)

mixture

2.

made up of only one kind of molecule

a)

element

b)

compound

c)

mixture

3.

made up of different molecules or atoms, (either individually or in clumps)

a)

element

b)

compound

c)

mixture

4.

Made when different atoms react together (go through a chemical reaction)

a)

element

b)

compound

c)

mixture

5.

Occur when different substances meet and their particles physically go between each other.

a)

element

b)

compouind

c)

mixture

6.

Pure substance and can't be broken down (separated) into simpler substances.

a)

element

b)

compound

c)

mixture

7.

A substance that can be separated into smaller parts using different techniques such as evaporation, filtration, or distillation.

a)

element

b)

compound

c)

mixture

8.

A substance that can be broken down to simpler substances, using a chemical reaction.

a)

element

b)

compound

c)

mixture

9.

Have their own chemical symbol.

a)

element

b)

compound

c)

mixture

10.

Have a chemical formula which shows the different atoms.

a)

element

b)

compound

c)

mixture

11.

Margarine contains more than one kind of particle physically combined.

a)

element

b)

compound

c)

mixture

12.

These substances have different pieces that can be seen with the naked eye.

a)

homogeneous mixture

b)

compound

c)

heterogeneous mixture

13.

Crude oil (petroleum) contains different molecules containing carbon and hydrogen without chemical bonds.

a)

element

b)

compound

c)

mixture

14.

Diamond is a giant molecular structure containing only one kind of atom.

a)

element

b)

compound

c)

mixture

15.

Glass is mostly silicone, plus sodium and calcium oxides placed together.

a)

element

b)

comopund

c)

mixture

16.

Rust can be separated into iron, oxygen and hydrogen (with chemicals).

a)

element

b)

compound

c)

mixture

17.

Nail polish remover is a liquid. It has the chemical formula

C3H6O.

a)

element

b)

compound

c)

mixture

18.

Iodine, used as an antiseptic, has the chemical symbol I2

a)

element

b)

compound

c)

mixture

19.

“NOS” (of fast and furious fame) used as a fuel additive is nitrous oxide and has a chemical formula N2O.

a)

element

b)

compound

c)

mixture

20.

Citric acid, which gives lemons their sour taste, can be broken down to C, H and O with chemicals.

a)

element

b)

compound

c)

mixture

21.

Brass is a metallic substance made up copper and zinc atoms not chemically joined together.

a)

element

b)

compound

c)

mixture

22.

Na2CO3 or washing soda is an an old-fashioned laundry cleaner. This would also be considered a(n)

a)

element

b)

compound

c)

mixture

23.

Solder, used in joining electronic components, contains lead and tin, without chemical bonds

a)

element

b)

compound

c)

mixture

24.

Baking soda breaks up into smaller substances when heated, including carbon dioxide

a)

element

b)

compound

c)

mixture

25.

Carbon tetrachloride has a chemical formula of CCl4. It would be considered a(n)

a)

element

b)

compound

c)

mixture

26.

Polystyrene, used in packaging, is made up of single, giant molecules containing carbon and hydrogen atoms

a)

element

b)

compound

c)

mixture

27.

Tap water contains different particles such as chlorine and small amounts of minerals

a)

element

b)

compound

c)

mixture

28.

This diagram represents a _____.

a)

pure substance that is a compound

b)

mixture of elements

c)

pure substance that is an element

d)

mixture of compounds

29.

This diagram represents a _____.

a)

pure substance that is a compound

b)

mixture of elements

c)

pure substance that is an element

d)

mixture of compounds

30.
a)
Element
b)
Compound
c)
Mixture of compound and element
d)
Mixture of elements
31.
a)
Element
b)
Compound
c)
Mixture of compound and element
d)
Mixture of elements
32.
a)

Element

b)

Compound

c)

Mixture of compound and element

d)

Mixture of elements

33.
a)

Element

b)

Compound

c)

Mixture of compound and element

d)

Mixture of two elements

34.
a)
Element
b)
Compound
c)
Mixture of compound and element
d)
Mixture of two elements
35.

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

a)

Heterogeneous Mixture

b)

Substance

c)

Homogeneous Mixture

36.
To change a solid to a liquid, what do you add?
a)
heat
b)
water
c)
cold
d)
mass
37.
Mixtures are __________ combined.
a)
Chemically
b)
Physically
c)
Magically
d)
Spontaneously
38.
Based off of the image, what type of matter is shown?
a)
gas
b)
solid
c)
liquid
39.
What is CO2 and example of?
a)
element
b)
mixture
c)
compound
40.
The drops of water that appear on the outside of a glass of cold juice on a warm day are an example of?
a)
sublimation
b)
condensation
c)
evaporation