List of name of first 20 compound with chemical formula
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1 hydrogen H
2 helium He
3 lithium Li
4 beryllium Be
5 boron B
6 carbon C
7 nitrogen N
8 oxygen O
9 fluorine F
10 neon Ne
11 sodium Na
12 magnesium Mg
13 aluminium Al
14 silicon Si
15 phosphorus P
16 sulphur S
17 chlorine Cl
18 argon Ar
19 potassium K
20 calcium Ca
2 helium He
3 lithium Li
4 beryllium Be
5 boron B
6 carbon C
7 nitrogen N
8 oxygen O
9 fluorine F
10 neon Ne
11 sodium Na
12 magnesium Mg
13 aluminium Al
14 silicon Si
15 phosphorus P
16 sulphur S
17 chlorine Cl
18 argon Ar
19 potassium K
20 calcium Ca
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