Question

What is a radical

a group of atoms that act like one atom
a group of atoms that give off radiation
a group of lons that break up during a reaction
a group of ions that have no charge
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Answer 1

Radical, also called Free Radical, in chemistry, molecule that contains at least one unpaired electron. Most molecules contain even numbers of electrons, and the covalent chemical bonds holding the atoms together within a molecule normally consist of pairs of electrons jointly shared by the atoms linked by the bond.