Elements name Symbol Atomic.no
Hydrogen H. 1
Helium He 2
Lithium Li 3
Berryllium Be 4
Borone B 5
Carbon C 6
Nitrogen N 7
Oxygen O 8
Fluorine F 9
Neon Ne 10
Sodium Na 11
Magnesium Mg 12
Aluminium Al 13
Silicon Si 14
Phosphorus P 15
Sulphur S 16
Chlorine Cl 17
Argon Ar 18
Potassium K 19
Calcium Ca 20
*------------*--------------*----------------*---------------*
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