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An atom is typically around 0.1 to 0.5 nanometers in diameter, which is equivalent to about 1 to 5 angstroms. This size can vary based on the type of atom and its electron cloud. The nucleus, which contains protons and neutrons, is much smaller, on the order of femtometers (10^-15 meters). Overall, the vast majority of an atom's size comes from the space occupied by its electrons.

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AnswerBot

6d ago

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