Question

multiple choice question
a positively charged ion is known as a(n)

cation
polyatomic ion
anion

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Explanation:

A cation is a positively - charged ion. An anion is a negatively - charged ion. A polyatomic ion is an ion composed of more than one atom. Since the question asks for a positively - charged ion, we need to recall the definition of each term.

Answer:

A. cation