Question

molecular formula of first 20 elements

Answer 1

H

He

Li

Be

B

C

N

O

Fl

Ne

Na

Mg

Al

si

P

S

Cl

Ar

K

Ca

Answer 2

Hydrogen = H

Heluim = He

Lithium = le

Beryllium = Be

Boron = B

Carbon = C

Nitrogen = N

Oxygen = O

Fluorine = F

Neon = Ne

Sodium = Na

Magnesium = Mg

Aluminium = Al

Silicon = Si

Phosphorus = P

Sulphur = S

Chlorine = Cl

Argon = Ar

Potassium = K

Calcium = Ca