Free Printable Counting Atoms

Free Printable Worksheets

Worksheets

Counting Atoms

Total questions: 8

Worksheet time: 5mins

Name

Class

Date

1.

How many Aluminum are in Al₂O₃?

a)

3

b)

2

c)

5

2.

How many Sodium (Na) are in 6NaCl?

a)

1

b)

12

c)

6

3.

How many Hydrogen are in 4H₂O?

a)

6

b)

8

c)

2

d)

4

4.

How many Magnesium are in 10MgCl₂?

a)

10

b)

5

c)

20

5.

How many O's are in Al₂(SO₄)₃

a)

4

b)

12

c)

7

d)

24

6.

Number of N in (NH₄)₂CrO₄

a)

1

b)

2

c)

8

d)

16

7.

Number of C's in 2Na₂CO₃

a)

1

b)

2

c)

3

d)

5

8.

Number of H in 3(NH₄)₂CrO₄

a)

4

b)

2

c)

8

d)

24

100 %

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