Question

element table of atom ​

Answer 1

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