PROBLEM 15Q

Explain the difference between a Bohr orbit and a quantum-mechanical orbital.

Solution 15Q

The difference between a Bohr orbit and a quantum-mechanical orbital :

Bohr orbit | Quantum - mechanical orbital |

Bohr orbit has got an electron orbiting in a circle around the nucleus. The electrons can only orbit stably, without radiating, in certain orbits (called by Bohr the "stationary orbits") at a certain discrete set of distances from the nucleus. It is like a planet’s path around the sun in the solar system. | There is no single location of the electron, but instead there is a probability density function, called the wave function, which gives the chance that you will find the electron at any given point. i.e, an atomic orbital is a mathematical function that describes the wave-like behavior of either one electron or a pair of electrons in an atom. |

Here, there are only... |