Question

The first 20 elements in the periodic table

Answer 1

Answer:

H-hydrogen

he-helium

li-lithium

be-beryllium

b-boron

c-carbon

n-nitrogen

o-oxygen

f-florin

ne -neon

na-sodium

mg-magnesium

al-aluminium

si-silicon

p-phosphorus

s-sulphur

cl-chlorine

ar-argon

k-potassium

ca-calcium

Answer 2

Explanation:

Hydrogen - H

Helium - He

Lithium - Li

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