NastyXavier96
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All matter is made up of atoms.  Which sentence correctly describes atoms?

 a

An atom is the smallest particle of an element.

 b

Atoms are the smallest particle of a nucleus.

 c

An atom is a substance that has been cut in half.

 d

All substances are made of the same atoms.

Respuesta :

tala32
The answer is: a. an atom is the smallest particle of an element.
because all elements are made up of atoms. and each atom has a nucleus.

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