aluminum
Al
argon
Ar
arsenic
As
barium
Ba
beryllium
Be
bromine
Br
calcium
Ca
carbon
C
cesium
Cs
chlorine
Cl
chromium
Cr
cobalt
Co
copper
Cu
fluorine
F
gold
Au
helium
He
hydrogen
H
iodine
I
iron
Fe
krypton
Kr
lead
Pb
lithium
Li
magnesium
Mg
manganese
Mn