Question

The smallest unit of element is

Answer 1

I’d say atoms cuz once u break it down to protons, neutrons, and electrons it’s not the element

I hope this somewhat helped :)

Answer 2

Atoms

An atom is the smallest unit of a pure substance or element that can exist and still retain the properties of the original substance or element. Key concepts: common substances, such as air, water, wood and cloth are mixtures of materials and can be chemically or physically broken down into simpler substances.