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Question

Chemistry Question on Electronic Configurations Of Elements And The Periodic Table

The speed of the electron in 3rd orbit is _____ if the speed of electron in Bohr first orbit of hydrogen atom be x.

A

x9\frac{x}{9}

B

x3\frac{x}{3}

C

3x

D

9x

Answer

x3\frac{x}{3}

Explanation

Solution

The correct option is (B): x3\frac{x}{3}