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
phosphorus
P
sulfur
S
chlorine
Cl
argon
Ar
potassium
K
calcium
Ca
mercury
Hg
lead
Pb
bismuth
Bi
uranium
U
rubidium
Rb
cesium
Cs
francium
Fr
strontium
Sr
barium
Ba
radium
Ra
bromine
Br
iodine
I
krypton
Kr
xenon
Xe
radon
Rn
chromium
Cr
manganese
Mn
iron
Fe
cobalt
Co
nickel
Ni
copper
Cu
zinc
Zn
silver
Ag
cadmium
Cd
tin
Sn
platinum
Pt
gold
Au