S
Sulfur
Ar
Argon
Rn
Radon
I
Iodine
Ca
Calcium
Si
Silicon
Cl
Chlorine
K
Potassium
Li
Lithium
U
Uranium
He
Helium
C
Carbon
O
Oxygen
Ne
Neon
Mg
Magnesium
Ni
Nickel
H
Hydrogen
N
Nitrogen
F
Fluorine
Na
Sodium
Al
Aluminum
P
Phosphorus
Hg
Mercury
Au
Gold
Ba
Barium
B
Boron
Fe
Iron
Ag
Silver
Pb
Lead
Zn
Zinc
Br
Bromine
Cu
Copper