Question

Name the unit in which the radius of an atom is usually expressed.​

Answer 1

Answer:

nanometres

The radius of an atom is usually expressed in 'nanometres' .

one billionth of a meter. Abbreviation: nm.

A nanometer is a unit of measurement for length just as you have with meters and centimeters. A nanometer is one billionth of a meter, 0.000000001 or 10-9 meters. The word nano comes from the Greek word for “dwarf.” The term nanoscale is used to refer to objects with dimensions on the order of 1-100 nanometers (nm).

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