Hydrogen
H
Helium
He
lithium
Li
Beryllium
Be
Boron
B
Carbon
C
Nitrogen
N
Oxygen
O
Fluorine
F
Neon
Ne
Sodium
Na
Magnesium
Mg
Aluminum
Al
silicon
Si
Phosphorous
P
sulfur
S
Chlorine
Cl
Argon
Ar
potassium
K
Calcium
Ca
scandium
Sc
Titanium
Ti
Vanadium
V
Chromium
Cr
Manganese
Mn
Iron
Fe
Cobalt
Co
Nickel
Ni
Copper
Cu
Zinc
Zn
Gallium
Ga
Germanium
Ge
Arsenic
As
Selenium
Se
Bromine
Br
Krypton
Kr
Rubidium
Rb
Strontium
Sr
Zirconium
Zr
Silver
Ag
Tin
Sn
Antimony
Sb
Iodine
I
Xenon
Xe
Cesium
Cs
Barium
Ba
Tungsten
W
Osmium
Os
Platinum
Pt
Gold
Au
Mercury
Hg
Lead
Pb
Bismuth
Bi
Polonium
Po
Uranium
U