He
Helium
Li
Lithium
Be
Beryllium
Boron
B
C
Carbon
N
Nitrogen
O
Oxygen
F
Fluorine
Ne
Neon
Na
Sodium
Mg
Magnesium
Al
Aluminum
Si
Silicon
P
Phosphorus
S
Sulfur
Cl
Chlorine
Ar
Argon
K
Potassium
Ca
Calcium
H
Hydrogen
Ca
Calcium
Cr
Chromium
Mn
Manganese
Fe
Iron