Question

write the atomic number and atomic masses of element from hydrogen to calcium

Answer 1

here is the answer of the question

Answer 2

hi there,

element - atomic mass - atomic weight
hydrogen - 1.0079 - 1
helium - 4.0026 - 2
lithium - 6.941 - 3
berillium - 9.012 - 4
boron - 10.811 - 5
carbon - 12.0107 - 6
nitrogen - 14.006 - 7
oxygen - 15.999 - 8
fluorine - 18.998 - 9
neon - 20.179 - 10
sodium - 22.989 - 11
magnesium - 24.305 - 12
aluminum - 26.9815 - 13
silicon - 28.0855 - 14
Phosphorus - 30.9738 - 15
sulfur - 32.065 - 16
chlorine - 35.453 - 17
potassium - 39.0983 - 18
argon - 39.948 - 19
calcium - 40.078 - 20

hope it will help you.