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