element table of atom
Answers
Answer:
name of elements. atomic number
hydrogen. 1
hyleam. 2
lithium. 3
beryleam. 4
boron. 5
carbon. 6
nitrogen. 7
oxygen. 8
fluorine. 9
neon. 10
sodium. 11
magnesium. 12
Aluminium. 13
silicon. 14
Phosphorus. 15
Sulphur. 16
cholorine. 17
argon. 18
potassium. 19
calcium . 20