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A free electron can attach itself to an atom, creating a negative ion called a(n).

A) Anion
B) Cation
C) Covalent bond
D) Isomer

1 Answer

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Final answer:

A free electron can attach itself to an atom, creating a negative ion called an anion.

Step-by-step explanation:

An electron can attach itself to an atom, creating a negative ion. This negative ion is called an anion. An anion is a negatively charged ion that forms when a neutral atom gains one or more electrons. For example, chlorine becomes a chloride anion when it gains an electron.

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