Question

A single atom of an element or a group of atoms of different elements behaving

as one unit with a charge on it.​

Answer 1

Answer:

Radicals

Explanation:

A radical is an atom of an element or a group of atoms of different elements that behaves as a single unit with a positive or negative charge on it. Valency : It is the number of electrons donated or accepted by the valence shell of an atom during chemical combination

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