please answer it, please
write there formula
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1Hydrogen H
Helium He
Lithium Li
Beryllium Be
Boron B
Carbon C
Nitrogen N8
Oxygen o
Fluorine Fe
Neon Ne
Sodium Na
Magnesium Mg
Aluminium Al
Silicon Sil
Phosphorus P
Sulfur S
Chlorine Cl
argon Ar
Potassium k
Calcium Ca
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Answer:
1. H2
2.he
3.Li
4.Br
5.Bo
6.C
7.N
8.o2
9.Fu
10.ne
11.S
12.Mg
13.Si
14.Au
15.Ph
16.Su
17.Cl
18.Ar
19.K
20.Ca
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