H
hydrogen
He
Helium
Li
lithium
Be
Beryllium
B
Boron
C
carbon
N
nitrogen
O
Oxygen
F
Fluorine
Ne
Neon
Na
Sodium
Mg
Magnesium
Al
Aluminum
Si
Silicon
P
Phosphorus
S
Sulfur
Cl
Chlorine
Ar
Argon
K
Potassium
Ca
Calcium
Cr
Chromium
Mn
Manganese
Fe
Iron
Co
Cobalt
Ni
Nickel
Cu
Copper
Zn
Zinc
Br
Bromine
Sr
Strontium
Ag
silver
Sn
Tin
I
Iodine
Ba
Barium
W
Tungsten
Pt
Platinum
Au
Gold
Hg
mercury
Pb
lead
Ra
radium
U
uranium
Cf
Californium
Lv
Livermorium