Answered

25. What is a radical?

A. A group of atoms that give off radiation
B. A group of atoms that act like one atom
C. A group of ions that break up during a reaction
D. A group of ions that have no charge



Answer :

Final answer:

A radical in chemistry is an atom, molecule, or ion with unpaired valence electrons, making it highly reactive. They strive to stabilize by grabbing electrons from other molecules, leading to chain reactions. Radicals can have different configurations that affect their reactivity.


Explanation:

A radical, more precisely a free radical, in chemistry, is an atom, molecule, or ion that has unpaired valence electrons or an open electron shell, leading to high reactivity towards other substances.

Free radicals are unstable and can be damaging in excess as they strive to stabilize by grabbing electrons from other molecules, perpetuating a chain reaction.

Radicals are represented with a dot before their chemical symbol, such as OH (hydroxyl radical), and can have a pyramidal or planar configuration based on the atoms directly attached to them.


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