sym chemie
ijzer
Fe
Koper
Cu
zink
Zn
Tin
Sn
lood
Pb
Cadmium
Cd
zilver
Ag
goud
Au
platina
Pt
nikkel
Ni
kobalt
Co
Kwik
Hg
aluminium
Al
chroom
Cr
mangaan
Mn
magnesium
Mn
calcium
Ca
Barium
Ba
lithium
li
natrium
Na
kalium
K
beryllium
Be
Germanium
Ge
uraan
U
plutonium
Pu
zuurstof
O
stikstof
N
waterstof
H
zwavel
S
koolstof
C
fosfor
P
jood
I
silicium
Si
boor
B
arseen
As
antimoon
Sb
fluor
F
chloor
Cl
Broom
Br
helium
He
neon
Ne
argon
Ar
krypton
Kr
xenon
Xe
radon
Rn