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These groups of atoms are called polyatomic ions. Polyatomic ions each carry a specific charge, which is determined by their numbers of.

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Good question, and one I have heard frequently in teaching Freshman Chemistry . The first rule is that you memorize them. However, I have made a few.

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The prefix poly- means many, so a polyatomic ion is an ion that contains more . When drawing Lewis dot structures, the overall charge on a polyatomic ion is.

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A polyatomic ion, also known as a molecular ion, is a charged chemical species ( ion) composed of two or more atoms covalently bonded or of a metal complex that can be considered to be acting as a single unit. The prefix poly- means " many," in Greek, but even ions of two atoms are.

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Apparantly, your question is phrased: Given the following formulae for these salts and using the rule of charge balance, determine the charge.

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These ions are separated by charge on the ion into four (4) different tables and listed alphabetically within each table. For each polyatomic ion, the name.