Question

Elements with atomic mass upto atomic no. 30

Answer 1

Element Atomic number Atomic mass

Hydrogen 1 1

Helium 2 4

Lithium 3 6.94

Beryllium 4 9.01

Boron 5 10.81

Carbon 6 12.01

Nitrogen 7 14.01

Oxygen 8 15.99

Fluorine 9 19

Neon 10 20.18

Sodium 11 22.99

Magnesium 12 25.31

Aluminium 13 26.98

Silicon 14 28.09

Phosphorus 15 30.97

Sulphur 16 32.07

Chlorine 17 35.45

Argon 18 39.95

Potassium 19 39.10

Calcium 20 40.08

Scandium 21 44.96

Titanium 22 47.87

Vanadium 23 50.94

Chromium 24 52

Manganese 25 54.94

Iron 26 55.85

Cobalt 27 58.93

Nickel 28 58.69

Copper 29 63.55

Zinc 30 65.41

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