1-20 Elements

Hydrogen

H, gas

Helium

He, gas

Lithium

Li, solid

Beryllium

Be, solid

Boron

B, solid

Carbon

C, solid

Nitrogen

N, gas

Oxygen

O, gas

Fluorine

F, gas

Neon

Ne, gas

Sodium

Na, solid

Magnesium

Mg, Solid

Aluminum

Al, solid

Silicon

Si, solid

Phosphorus

P, solid

Sulfur

S, solid

Chlorine

Cl, gas

Argon

Ar, gas

Potassium

K, solid

Calcium

Ca, solid