H
hydrogen
He
helium
Li
Lithium
Be
Beryllium
B
boron
C
carbon
N
nitrogen
O
oxygen
F
flourine
Ne
neon
Na
sodium
Mg
magnesium
Al
aluminum
Si
silicon
P
phosphorous
S
sulfur
Cl
chlorine
Ar
argon
K
potassium
Ca
calcium
Ti
titanium
Cr
chromium
Mn
maganese
Fe
iron