do it!!!
Hydrogen
H
Helium
He
Lithium
Li
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
Titanium
Ti
Manganese
Mn
Iron
Fe
Cobalt
Co
Copper
Cu
Zinc
Zn
Bromine
Br
Krypton
Kr
Silver
Ag
Tin
Sn
Iodine
I
Barium
Ba
Tungsten
W
Gold
Au
Lead
Pb
Selenium
Se
Strontium
Sr
Nickel
Ni
Chromium
Cr