Which statement describes a functional group? an inert group of atoms that is part of a larger molecule the backbone of a macromolecule, such as a carbohydrate any molecule that can participate in a chemical reaction part of a larger molecule that can react with other atoms or molecules

The answer to your question is: The last option

Explanation:

An inert group of atoms that is part of a larger molecule functional group is a part of a molecule that can react, it is not inert, so this option is wrong.

The backbone of a macromolecule, such as a carbohydrate This option is wrong, functional group is not a backbone.

Any molecule that can participate in a chemical reaction This option is wrong because a functional group is not any molecule, is a part of a molecule.

Part of a larger molecule that can react with other atoms or molecules This option is correct this is the right definition of a functional group.

radioactive decay occurs in unstable atomic nuclei – that is, ones that don't have enough binding energy to hold

the nucleus together due to an excess of either protons or neutrons.

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