W
Tungsten
S
Sulfur
Ru
Ruthenium
Ce
Cerium
Yb
Ytterbium
Sc
Scandium
Ca
Calcium
He
Helium
N
Nitrogen
Es
Einsteinium
Pd
Palladium
Ni
Nickel
Na
Sodium
Am
Americium
O
Oxygen
P
Phosphorous
Ba
Barium
C
Carbon
B
Boron
I
Iodine
Be
Beryllium
Mg
Magnesium
Ti
Titanium
Y
Yttrium