Mastering Oxidation Numbers

The charge that would exist on an individual atom if the bonding were metallic

The charge that would exist on an individual atom if the bonding were completely covalent

The charge that would exist on an individual atom if the bonding were completely ionic (correct)

The charge that would exist on an individual atom if the bonding were van der Waals

To balance chemical equations

To tell if oxidation or reduction has taken place (correct)

To measure the mass of an atom

To determine the type of bonding between atoms

To determine the mass of the ion

To determine the number of electrons in the outermost shell

To determine the number of electrons lost or gained by the ion (correct)

To determine the number of protons in the nucleus