Chemistry

Problem

Which of the following best states what a “stationary orbit” means in Bohr’s atomic model? a)

\text{An electron moves in an elliptical path with its energy varying at every point.}

\text{An electron revolves in a fixed circular path around the nucleus without radiating energy.}

\text{An electron remains perfectly motionless at the centre of the nucleus.}

\text{An electron revolves in a fixed circular path around the nucleus while continuously emitting radiation.}