Carbon
C
Hydrogen
H
Oxygen
O
Aluminum
Al
Calcium
Ca
Chromium
Cr
Helium
He
Lead
Pb
Mercury
Hg
Radium
Ra
Potassium
K
Sodium
Na
Tin
Sn
Argon
Ar
Sulfur
S
Nitrogen
N
Iodine
Io
Zirconium
Zr
Krypton
Kr
Cobalt
Co
Radon
Rn
Lithium
Li
Gold
Au
Xenon
Xe
Rubidium
Rb
Strontium
Sr
Selenium
Se
Gallium
Ga
Bismuth
Bi
Germanium
Ge
Zinc
Zn
Barium
Ba
Cesium
Cs
Copper
Cu
Cadmium
Cd
Magnesium
Mg
Neon
Ne
Phosphorus
P
Silicon
Si
Bromine
Br
Tungsten
W
Beryllium
Be
Scandium
Sc
Boron
B
Chlorine
Cl
Fluorine
F
Iron
Fe
Manganese
Mn
Nickel
Ni
Platinum
Pt
Silver
Ag
Antimony
Sb
Titanium
Ti
Tellurium
Te
Thallium
Tl