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