First 18 Elements of the Periodic Table and Their Symbols

Al

Aluminum Atomic Number: 13

Ar

Argon Atomic Number: 18

Be

Beryllium Atomic Number: 4

B

Boron Atomic Number: 5

C

Carbon Atomic Number: 6

Cl

Chlorine Atomic Number: 17

F

Fluorine Atomic Number: 9

He

Helium Atomic Number: 2

H

Hydrogen Atomic Number: 1

Li

Lithium Atomic Number: 3

Mg

Magnesium Atomic Number: 12

Ne

Neon Atomic Number: 10

N

Nitrogen Atomic Number: 7

O

Oxygen Atomic Number: 8

P

Phosphorus Atomic Number: 15

Si

Silicon Atomic Number: 14

Na

Sodium Atomic Number: 11

S

Sulfur Atomic Number: 16