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Er... What chemical formula?
The chemical formula of an ionic compound that contains aluminium and chlorine is aluminium chloride - AlCl3.
The diatomic chemical formula of chlorine is Cl2.
Malathion is used as an insecticide. It has the chemical formula C10H19O6PS2 and contains carbon, hydrogen, oxygen, phosphorous and sulfur.
The chemical formula of ethylamine is C2H7N.
Cl3
3Cu 2
Cl2
A chemical formula is just one molecule. For example, the chemical formula for water is H2O. The chemical formula for ammonia is NH3 A chemical equation contains reactants and products, which are molecules or groups of molecules. For example, what is the chemical equation for the formation of water. 2H2 + O2 ---> 2H2O
The formula is PbS. Pb is lead, and S is sulfur.
The simplest chemical formula (not symbol) is MeX (X is a nonmetal).
It contain the chemical formula of the specified compounds (reactants and final products), it contains the chemical proportions of a compound (coefficients).