Question

please answer it, please
write there formula

Answer 1

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

Answer 2

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