Respuesta :
An ionic compound has a chemical formula that shows the ions in a molecule.
Ionic compounds are held by the electrostatic attraction between the atoms. The ionic compounds are formed by ions of different charges.
(a) The chemical formula of ionic compounds has a number subscript which indicates the number of atoms of the ion.
(b) The formula unit does not give the number of ions.
(c) The ionic compounds are not necessarily neutral as the charge difference between anion and cation results in the charged compound.
(d) The chemical formula of an ionic compound represents the ions in a molecule.
For more information about an ionic compound, refer the link:
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