Lithium
Li
Sodium
Na
Potassium
K
Phosphorus
P
Beryllium
Be
Magnesium
Mg
Calcium
Ca
Aluminum
Al
Nitrogen
N
Oxygen
O
Cobalt
Co
Neon
Ne
Argon
Ar
Hydrogen
H
Boron
B
Silicon
Si
Carbon
C
Sulfur
S
Helium
He
Lead
Pb
Mercury
Hg
Tin
Sn
Iron
Fe
Silver
Ag
Nickel
Ni
Copper
Cu
Flourine
F
Chlorine
Cl