Question

What statement is the BEST definition of an atom?
A substance that cannot be broken down chemically into simpler substances.
The smallest unit of a substance that exhibits all of the properties characteristic of that substance.
Anything that has mass and occupies space.
The smallest particle that has the properties of an element.

Answer 1

Answer:

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i think the answer is atom is the smallest particle that has properties of an element.

Explanation:

Atom, smallest unit into which matter can be divided without the release of electrically charged particles. ... It also is the smallest unit of matter that has the characteristic properties of a chemical element.

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Answer 2

the smallest particle that has properties of an element