Which of the following best describes the sizes of atoms?

A) Atoms are so small that millions of them could fit across the period at the end of this sentence.
B) Atoms are too small to see by eye, but can be seen with a handheld magnifying glass.
C) Most atoms are about a millionth of a meter (1 micrometer) in diameter.
D) Atoms are roughly the same size as typical bacteria.


A) Atoms are so small that millions of them could fit across the period at the end of this sentence.

Physics & Space Science

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