Write the missing chemical symbol in each box.

1
H
Hydrogen
1.0

  Atomic number
  Chemical symbol
  Chemical name
  Relative atomic mass
1

 


Hydrogen
1.0

2

 


Helium
4.0

3

 


Lithium
6.9

4

 


Beryllium
9.0

5

 


Boron
10.8

6

 


Carbon
12.0

7

 


Nitrogen
14.0

8

 


Oxygen
16.0

9

 


Fluorine
19.0

10

 


Neon
20.2

11

 


Sodium
23.0

12

 


Magnesium
24.3

13

 


Aluminium
27.0

14

 


Silicon
28.1

15

 


Phosphorus
31.0

16

 


Sulphur
32.1

17

 


Chlorine
35.5

18

 


Argon
40.0

19

 


Potassium
39.1

20

 


Calcium
40.1

21

 


Scandium
45.0

22

 


Titanium
47.9

23

 


Vanadium
50.9

24

 


Chromium
52.0

25

 


Manganese
54.9

26

 


Iron
55.9

27

 


Cobalt
58.9

28

 


Nickel
58.7

29

 


Copper
63.5

30

 


Zinc
65.4

31

 


Gallium
69.7

32

 


Germanium
72.6

33

 


Arsenic
74.9

34

 


Selenium
79.0

35

 


Bromine
79.9

36

 


Krypton
83.8

37

 


Rubidium
85.5

38

 


Strontium
87.6

39

 


Yttrium
88.9

40

 


Zirconium
91.2

41

 


Niobium
92.9

42

 


Molybdenum
95.9

43

 


Technetium
99.0

44

 


Ruthenium
101.0

45

 


Rhodium
102.9

46

 


Palladium
106.4

47

 


Silver
107.9

48

 


Cadmium
112.4

49

 


Indium
114.8

50

 


Tin
118.7

© 2003 Teaching Treasures™ Publications - http://teachingtreasures.com.au

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