Xe
xenon
Rn
Radon
As
Arsenic
Pb
lead
Fe
Iron
Kr
krypton
Ar
argon
Ne
Neon
He
helium
Se
selenium
Ge
gernmanium
Ga
gallium
Hg
mercury
Au
gold
P
phosphorus
Cr
chromium
Mn
manganese
Co
cobalt
S
Sulfur
K
potassium
Br
bromine
Sr
strontium
I
iodine
Cs
cesium
Ni
nickel
Rb
rubidium
B
boron
Pt
Platinum
W
tungsten
Ti
titanium
Sn
Tin
H
Hydrogen
O
oxygen
N
nitrogen
C
carbon
Na
sodium
Mg
magnesium
Al
aluminum
Cl
chlorine
Zn
Zinc
Ag
silver
Be
beryllium
Li
lithium
Cu
copper
F
Fluorine