Question

The size of an atom is of the order of

• A. ${10}^{-8}m$
• B. ${10}^{-10}m$
• C. ${10}^{-12}m$
• D. ${10}^{-14}m$

Answer 1

The correct option is B ${10}^{-10}m$

The size of the atom is of the order of $1\stackrel{\circ }{A}={10}^{-10}m$