The size of an atom is of the order of one __________________?
Correct answer: A. °Angstrom
- A. °Angstrom
- B. Fermi
- C. Micron
- D. mm
Explanation
An atom typically has a diameter of about 1 angstrom, or 10⁻¹⁰ m. A fermi is about 10⁻¹⁵ m and is associated with nuclear dimensions, not atomic size.
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