hydrogen
H
helium
He
lithium
Li
beryllium
Be
boron
B
carbon
C
nitrogen
N
oxygen
O
fluorine
F
neon
Ne
sodium
Na
magnesium
Mg
aluminum
Al
silicon
Si
phosphorus
P
sulfur
S
chlorine
Cl
potassium
K
calcium
Ca
scandium
Sc
titanium
Ti
vanadium
V
chromium
Cr
manganese
Mn
argon
Ar
iron
Fe
cobalt
Co
nickel
Ni
copper
Cu
zinc
Zn
gallium
Ga
germanium
Ge
arsenic
As
selenium
Se
Bromine
Br
krypton
Kr
rhubidium
Rb
strontium
Sr
yttrium
Y
zirconium
Zr
niobium
Nb
molybdenum
Mo
technetium
Tc
ruthenium
Ru
rhodium
Rh
palladium
Pd
silver
Ag
cadmium
Cd
indium
In
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