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Units and Dimensions

Atomic radius...

Question

Atomic radius is expressed in the _______ units.

A

angstrom

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B

cm

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C

m

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D

nm

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Solution

The correct option is C angstrom
Atomic radius is usually expressed in Angstrom units. It is because the size of atom is very small. It is equivalent to $1 \times 10^{- 10}$ metres.

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