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QUESTION
Exceptions: lead (Pb2+, Pb4+), tin (Sn2+, Sn4+) exceptions Transition metals form multiple ions Use Roman numerals. Metallic main group element in a
Exceptions: lead (Pb2+, Pb4+), tin (Sn2+, Sn4+) exceptions Transition metals form multiple ions Use Roman numerals. Metallic main group element in a formula? The compound is usually ionic All non-metal formula? The compound is usually molecular Metalloid in a formula?
