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Silver oxide has the chemical formula Ag2O and has two silver atoms and one oxygen atom.
A single atom of an element is represented by that element's chemical symbol.
The chemical formula is one hydrogen atom and one iodine atom.
The chemical formula of zinc chloride is ZnCl2.
Each chemical element has a standardized chemical symbol, not a formula.
The subscript in a chemical formula represents the amount of that atom in that compound's formula.
H2O. It is the formula of water.
H
Cl.
NH3
The chemical symbol (not formula) of fluorine atom is F; the molecule is F2.
The diatomic chemical formula of chlorine is Cl2.
There is one atom of that element in the molecule.
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Silver oxide has the chemical formula Ag2O and has two silver atoms and one oxygen atom.
A chemical symbol represents a single atom of an element, but a formula represents a chemical entity with constant composition that contains at least two atoms.A chemical symbol represents a single atom of a chemical element, but a chemical formula represents the types and numbers of atoms in a chemical entity larger than a single atom. The entity is called a molecule if the compound is covalently bonded and a formula unit if the entity is ionically bonded.