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