Question

Write the atomic mass, atomic number, no.of electrons, protons,
neutrons for all 30 elements​

Answer 1

Answer:

Elements symbol Atomic number atomic mass hydrogen H 1 1

helium He 2 4

lithium Li 3 7

beryllium Be 4 9

boron B 5 11

carbon C 6 12

nitrogen N 7 14

oxygen O 8 16

florin F 9 19

neon Ne 10 20

sodium Na 11 23

magnesium Mg 12 24

aluminum Al 13 27

silicon Si 14 28

phosphorus P 15 31

sulphur S 16 32

chlorine Cl 17 35

argon Ar 18 40

potassium k 19 39

calcium Ca 20 40

Explanation:

I only know upto 20 , hope it is helpful to you.