Question

3. Atomic radius is measured in
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Answer 1

Atomic radii are measured in terms of angstrom (Å ). Anothet unit used for this purpose is nanometer which is equal to 1.0 × 10^- 9 m.

Answer 2

Explanation:

$The \: units \: for  \: atomic \: radii  \: \\ are \: picometers, \: equal \: to \\ 10−12 meters. \: As \: an \: example, \\ \: the \: internuclear \: \\ distance \: between \: \\ the \: two \: hydrogen  \: \\ atoms  \: in \: an \: H2  \: molecule \\ is  \: measured \:  to \: be \: 74 pm.$