The formula of an ionic compound can be deduced from the formulae of its ions. Remember that for the metal elements in groups 1, 2, and 3 the charge on the ion can be deduced by how many outer shell ...

Learn more on the properties of ionic compounds in this podcast. Listen to the full series on BBC Sounds. Ionic compounds have high melting and boiling points, so they are in the solid state at room ...

A chemical compound is a chemical substance consisting of two or more different chemically bonded chemical elements, with a fixed ratio determining the composition. The ratio of each element is ...