Question

atomic table from 1-20​

Answer 1

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1.H —Hydrogen

2.He—Helium

3.Li—Lithium

4.Be—Beryllium

5.B—Boron

6.C—Carbon

7.N—Nitrogen

8.O—Oxygen

9.F—Fluorine

10.Ne—Neon

11.Na—Sodium

12.Mg—Magnesium

13.Al—Aluminum

14.Si—Silicon

15.P—Phosphorus

16.S—Sulfur

17.Cl—Chlorine

18.Ar—Argon

19.K—Potassium

20.Ca—Calcium

Answer 2

Answer:

Hydrogen 1

Helium 2

Lithium 2,1

Berllium 2,2

Boron 2,3

Carbon 2,4

Nitrogen. 2,5

Oxygen 2,6

Flourine 2,7

Neon. 2,8

Sodium. 2,8,1

Magnesium. 2,8,2

Aluminium 2,8,3

Silicon. 2,8,4

Phosphorus. 2,8,5

Sulphur 2,8, 6

Chlorin. 2,8,7

Argon. 2,8,8

Potassium. 2,8,8,1

Calcium 2,8,8,2