Elements

Oxygen
O
Silicon
Si
Nitrogen
N
Carbon
C
Mercury
Hg
Boron
B
Lead
Pb
Beryllium
Be
Argon
Ar
Fluorine
F
Copper
Cu
Nickel
Ni
Aluminium
Al
Chlorine
Cl
Neon
Ne
Potassium
K
Cobalt
Co
Bromine
Br
Gold
Au
Zinc
Zn
Phosphorous
P
lodine
l
Hydrogen
H
Helium
He
Tin
Sn
Calcium
Ca
Magnesium
Mg
Lithium
Li
Sodium
Na
Silver
Ag
Iron
Fe
Uranium
U
Sulphur
S
Tungsten
W