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Worksheets

Elements and Compounds

Total questions: 45

Worksheet time: 23mins

Name
Class
Date
1.

a table in which all the known elements are arranged by properties

a)

element

b)

compound

c)

atom

d)

Periodic Table

2.

anything that has mass and takes up space

a)

element

b)

matter

c)

atom

d)

Periodic Table

3.

the smallest particle of an element

a)

element

b)

matter

c)

atom

d)

Periodic Table

4.

a pure substance composed of only 1 type of atom

a)

element

b)

subscript

c)

atom

d)

compound

5.

symbol that represents an element

a)

element symbol

b)

subscript

c)

chemical formula

d)

compound

6.

the number located at the top of the element symbol

a)

atomic number

b)

subscript

c)

chemical formula

d)

compound

7.

made of 2 or more elements chemically combined that can not be physically separated

a)

atomic number

b)

subscript

c)

chemical formula

d)

compound

8.

a combination of chemical symbols showing the atoms of which a substance is made and their proportions

a)

atomic number

b)

subscript

c)

chemical formula

d)

compound

9.

a number written below and to the right that shows how many atoms of an element are present

a)

atomic number

b)

subscript

c)

chemical formula

d)

compound

10.

Found on the Periodic Table

a)

element

b)

compound

c)

both

11.

atoms

a)

element

b)

compound

c)

both

12.

Represented by symbols

a)

element

b)

compound

c)

both

13.

Can be chemically broken

a)

element

b)

compound

c)

both

14.

2 or more types of atoms

a)

element

b)

compound

c)

both

15.

Solids, liquids and gasses

a)

element

b)

compound

c)

both

16.

Atomic mass and atomic number

a)

element

b)

compound

c)

both

17.

Not on the Periodic Table

a)

element

b)

compound

c)

both

18.

Only 1 type of atom

a)

element

b)

compound

c)

both

19.

matter

a)

element

b)

compound

c)

both

20.

Represented by a chemical formula

a)

element

b)

compound

c)

both

21.

Pure substance

a)

element

b)

compound

c)

both

22.

Can not be broken or changed

a)

element

b)

compound

c)

both

23.

Building blocks for ALL matter

a)

element

b)

compound

c)

both

24.

molecules

a)

element

b)

compound

c)

both

25.

2 or more elements chemically combined

a)

element

b)

compound

c)

both

26.

subscripts

a)

element

b)

compound

c)

both

27.

Symbols must be printed in plain font, nothing fancy

a)

true

b)

Not true

28.

You can have 2 capital letters for an element

a)

true

b)

Not true

29.

An element symbol can start with a lower case letter

a)

true

b)

Not true

30.

H

a)

Helium

b)

Hydrogen

c)

Holmium

31.

O

a)

Oxygen

b)

air

c)

Iodine

32.

N

a)

copper

b)

Nickel

c)

Nitrogen

33.

What is the number on top?

a)

atomic number

b)

element symbol

c)

element name

34.

What does the H represent?

a)

atomic number

b)

element symbol

c)

element name

35.

How many element are in

H₂SO₄

a)

2

b)

3

c)

4

d)

what's an element?

36.

How many element are in

HC₂HCO₃

a)

2

b)

3

c)

4

d)

what's an element?

37.

How many element are in

H₂O

a)

2

b)

3

c)

4

d)

what's an element?

38.

How many element are in

NaCl

a)

2

b)

3

c)

4

d)

what's an element?

39.

How many element are in

BaPOSi

a)

2

b)

3

c)

4

d)

what's an element?

40.

He

a)

element

b)

compound

41.

KOH

a)

element

b)

compound

42.

SO₄

a)

element

b)

compound

43.

H₃

a)

element

b)

compound

44.

HNO₃

a)

element

b)

compound

45.

P

a)

element

b)

compound

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