hydrogen
H
helium
He
lithum
Li
berylilum
Be
boron
B
carbon
C
nitrogen
N
oxygen
O
fluorine
F
neon
Ne
soduim
Na
magnesuim
Mg
aluminium
AI
silcon
Si
phosphorus
P
sulfer
S
chlorine
CI
argon
Ar
potassium
K
calcuim
Ca
titanium
Ti
chromium
Cr
manganese
Mn
iron
Fe