English, asked by aditiagarwal7151, 1 year ago

What is the Mass of elements 1 to 20

Answers

Answered by payal976983

2

Answer:

Atomic number Atomic mass

Hydrogen 1 1

Helium 2 4

Lithium 3 6.94

Beryllium 4 9.01

Boron 5 10.81

Carbon 6 12.01

Nitrogen 7 14.01

Oxygen 8 15.99

Fluorine 9 19

Neon 10 20.18

Sodium 11 22.99

Magnesium 12 25.31

Aluminium 13 26.98

Silicon 14 28.09

Phosphorus 15 30.97

Sulphur 16 32.07

Chlorine 17 35.45

Argon 18 39.95

Potassium 19 39.10

Calcium 20 40.08

Answered by yarlagaddanagendrama

0

Answer:

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