Chemistry, asked by lokeshdot5861, 11 months ago

Atomic mass of first 20 elements in whole numbers

Answers

Answered by barbieelsa601

4

H 1

He. 4

Li. 7

Be. 9

B. 11

C. 12

N. 14

O. 16

F. 19

Ne. 20

Na. 23

Mg. 24

Al. 27

Si. 28

P. 31

S. 32

Cl. 35.5

Ar. 40

K. 39

Ca. 40

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