The earliest theories about the atom considered it to be the
smallest unit of matter. What is the current scientific opinion
about this idea?
O A. It is considered untrue because atoms can be divided
into smaller parts.
B. It is considered untrue because some atoms are very large.
O
C. It is still considered true: Atoms are the smallest units of matter.
O
D. It is considered untrue because matter is not made of atoms.