H
hydrogen
He
helium
Li
lithium
Be
beryllium
B
boron
C
carbon
N
nitrogen
O
oxygen
F
fluorine
Ne
neon
Na
sodium
Mg
magnesium
Al
aluminum
Si
silicon
P
phosphorus
S
sulfur
Cl
chlorine
Ar
argon
K
potassium
Ca
calcium
Cr
chromium
Mn
manganese
Fe
iron
Co
cobalt
Ni
nickel
Cu
copper
Zn
zinc
As
arsenic
Br
bromine
Kr
krypton
Sr
strontium
Ba
barium
Ag
silver
Cd
cadmium
Sn
tin
I
iodine
Xe
xenon
Pb
lead
Hg
mercury
Au
gold