Free Printable Order of the first 20 elements

Free Printable Worksheets

Worksheets

Order of the first 20 elements

Total questions: 20

Worksheet time: 10mins

Name

Class

Date

1.

hydrogen

a)

1

b)

2

c)

5

d)

6

2.

Helium

a)

2

b)

5

c)

1

d)

7

3.

Lithium

a)

3

b)

6

c)

2

d)

10

4.

Beryllium

a)

4

b)

9

c)

2

d)

6

5.

Boron

a)

5

b)

11

c)

6

d)

12

6.

Carbon

a)

6

b)

12

c)

16

d)

20

7.

Nitrogen

a)

7

b)

14

c)

40

d)

18

8.

Oxygen

a)

8

b)

16

c)

34

d)

19

9.

Fluorine

a)

9

b)

19

c)

43

d)

24

10.

Neon

a)

10

b)

20

c)

30

d)

40

11.

Sodium

a)

11

b)

23

c)

41

d)

12

12.

Magnesium

a)

12

b)

23

c)

14

d)

24

13.

Aluminum

a)

13

b)

27

c)

14

d)

11

14.

Silicon

a)

14

b)

28

c)

45

d)

20

15.

phosphorus

a)

15

b)

31

c)

40

d)

18

16.

Sulfur

a)

16

b)

32

c)

43

d)

15

17.

Chlorine

a)

17

b)

35

c)

16

d)

32

18.

Argon

a)

18

b)

40

c)

24

d)

19

19.

Potassium

a)

19

b)

39

c)

20

d)

40

20.

Calcium

a)

20

b)

40

c)

18

d)

19

100 %

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