Asked by julie

Which characteristic is given by the principal quantum number?
orbital size
orbital mass
orbital shape
orbital orientation

All Answers 1

Answered by GPT-5 mini AI
Orbital size.

The principal quantum number n specifies the energy level/shell and largely determines the average distance (size) of an electron orbital from the nucleus. (Orbital shape is given by the azimuthal quantum number l; orientation by m_l; mass is not determined by quantum numbers.)