Missing Chemical Symbols 1-50

Print the ' list of elements' to help answer this activity.

Type the missing chemical symbol in each box.
Select the 'check'  button to see if you answered correctly.

1
H
Hydrogen
1.0

  Atomic number
  Chemical symbol
  Chemical name
  Relative atomic mass

 

1

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Hydrogen
1.0

2

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Helium
4.0

3

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Lithium
6.9

4

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Beryllium
9.0

5

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Boron
10.8

6

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Carbon
12.0

7

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Nitrogen
14.0

8

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Oxygen
16.0

9

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Fluorine
19.0

10

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Neon
20.2

11

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Sodium
23.0

12

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Magnesium
24.3

13

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Aluminium
27.0

14

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Silicon
28.1

15

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Phosphorus
31.0

16

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Sulphur
32.1

17

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Chlorine
35.5

18

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Argon
40.0

19

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Potassium
39.1

20

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Calcium
40.1

21

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Scandium
45.0

22

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Titanium
47.9

23

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Vanadium
50.9

24

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Chromium
52.0

25

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Manganese
54.9

26

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Iron
55.9

27

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Cobalt
58.9

28

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Nickel
58.7

29

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Copper
63.5

30

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Zinc
65.4

31

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Gallium
69.7

32

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Germanium
72.6

33

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Arsenic
74.9

34

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Selenium
79.0

35

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Bromine
79.9

36

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Krypton
83.8

37

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Rubidium
85.5

38

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Strontium
87.6

39

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Yttrium
88.9

40

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Zirconium
91.2

41

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Niobium
92.9

42

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Molybdenum
95.9

43

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Technetium
99.0

44

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Ruthenium
101.0

45

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Rhodium
102.9

46

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Palladium
106.4

47

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Silver
107.9

48

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Cadmium
112.4

49

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Indium
114.8

50

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Tin
118.7

       

Please make sure before you check answers, that spaces haven't been left before or after the symbols or it will mark them wrong.

 

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