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What is an atom?

A An atom is a round spherical object found inside most objects made of
matter
B. An atom is a round spherical object found inside objects made of matter
C. An atom is a basic building block of matter.
D. An atom is a subunit of longer extended structures.

1 Answer

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Step-by-step explanation:

what is an atom?

An atom is a basic building block of matter.

User Nathanphan
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