Al2O3, aluminium oxide. Remember the numbers must be subscripts.
o2 is a symbol. A formula is something like O2 + H2 -> H20
The chemical formula for oxygen is O2.
O2 is the chemical formula for Oxygen. CO2 is the formula for Carbon Dioxide. (One Carbon, 2 Oxygen)
O2
c4 +H10 --->CO+ H2O
S +o2 => so2
Uracil is made up of the four basic elements: carbon, hydrogen, nitrogen, and oxygen. The formula of uracil is C4 H4 N2 O2.
combination
The chemical equation is:6 Na + 2 O2 = 2 Na2O + Na2O2
Chromium(III) oxide: Cr2O3
The product is nitrogen dioxide.
The chemical formula for oxide is O2−
Al2O3, aluminium oxide. Remember the numbers must be subscripts.
o2 is a symbol. A formula is something like O2 + H2 -> H20
magnesium plus oxygen
The chemical formula for oxygen is O2.