Hydrogen
H
Lithium
Li
Boron
B
Nitrogen
N
Fluorine
F
Sodium *
Na
Aluminum
Al
Phosphorous
P
Chlorine
Cl
Potassium *
K
Scandium
Sc
Manganese
Mn
Cobalt
Co
Copper *
Cu
Bromine
Br
Strontium
Sr
Cadmium
Cd
Iodine
I
Barium
Ba
Mercury *
Hg
Radon
Rn
Scandium
Sc
Uranium
U
Helium
He
Beryllium
Be
Carbon
C
Oxygen
O
Neon
Ne
Magnesium
Mg
Silicon
Si
Sulfur
S
Argon
Ar
Calcium
Ca
Chromium
Cr
Iron *
Fe
Nickel
Ni
Zinc
Zn
Krypton
Kr
Silver *
Ag
Tin *
Sn
Xenon
Xe
Gold *
Au
Lead *
Pb
Radium
Ra
Cadmium
Cd
Rubidium
Rb