Periodic Table - First 20
The first 20 elements of the periodic table.
Front
H
Back
Hydrogen
Front
He
Back
Helium
Front
Li
Back
Lithium
Front
Be
Back
Beryllium
Front
B
Back
Boron
Front
C
Back
Carbon
Front
N
Back
Nitrogen
Front
O
Back
Oxygen
Front
F
Back
Fluorine
Front
Ne
Back
Neon
Front
Na
Back
Sodium
Front
Mg
Back
Magnesium
Front
Al
Back
Aluminum
Front
Si
Back
Silicon
Front
P
Back
Phosphorus
Front
S
Back
Sulfur
Front
Cl
Back
Chlorine
Front
Ar
Back
Argon
Front
K
Back
Potassium
Front
Ca
Back
Calcium