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
argon
Ar
potassium
K
calcium
Ca
scandium
Sc
titanium
Ti
vanadium
V
chromium
Cr
manganese
Mn
iron
Fe
cobalt
Co
nickel
Ni
copper
Cu
zinc
Zn
selenium
Se
bromine
Br
krypton
Kr
rubidium
Rb
strontium
Sr
silver
Ag
tin
Sn
iodine
I
xenon
Xe
cesium
Cs
barium
Ba
platinum
Pt
gold
Au
mercury
Hg
lead
Pb
radon
Rn
francium
Fr
radium
Ra
uranium
U
plutonium
Pu
americium
Am
berkelium
Bk
californium
Cf