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True [87]
2 years ago
9

Explain how to write formulas and oxidation numbers

Chemistry
1 answer:
PolarNik [594]2 years ago
3 0
Oxidation number, also called oxidation state, the total number of electrons that an atom either gains or loses in order to form a chemical bond with another atom. Oxidation numbers also play an important role in the systematic nomenclature of chemical compounds. By definition, the oxidation number of an atom is the charge that atom would change.

When writing the formula for the ionic compound, the cation comes first, followed by the anion, both with numeric subscripts to indicate the number of atoms of each. Polyatomic ions are a set of covalently bonded atoms that have an overall charge, making them an ion.

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