SiO2
Sand. Silicon and oxygen also make concrete bricks and glass.
CO2
Carbon Dioxide
C
CARBON--Ordinary form is coal, crush it and diamonds are formed.
Mg
Magnesium
Al
ALUMINIUM
Ne
NEON
He
HELIUM-Balloons are filled with helium and so is every star
H2O
WATER
N
NITOGEN
Si
SILICON
Mn
Manganese
Fe
IRON-The most abundant metal in our earth (35 %).Reacts with oxygen to form rust.
Hg
MERCURY
K
Potassium
O
OXYGEN
O3
OZONE
Au
GOLD
Na
Sodium
Ag
SILVER
H
HYDROGEN-Stars are also mostly Hydrogen that might someday fill your car.