Respuesta :

Answer:

The smallest unit of matter is an atom.

Explanation:

It is an atom because an atom is the smallest thing, that has weight and takes up space.

Answer:

atom

Explanation:

An atom is the smallest particle of an element, having the same chemical properties as the bulk element. The first accurate theory explaining the nature of matter was Dalton's Atomic Theory: 1. All matter is composed of atoms, and atoms are indivisible and indestructible.

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