Question

plz tell me atomic mass of first 20 elements (not in decimals). no need to write names of elements , just tell serial wise masses??​

Answer 1

Answer:

1

4

7

9

11

12

14

16

19

20

23

24

27

28

31

32

35

39

39

40

Answer 2

Here is ur answer,

Pls refer to the attachment below......

There is a full periodic table with amass, atomic no and symbols, and pictures of the elements....