What is lone pair? October 9, 2024June 30, 2020 by Admin A pair of electrons occupying an orbital in an atom or molecule and not directly involved in bonding. Related Posts:RUTHERFORD’S MODEL OF AN ATOMTHOMSON’S MODEL OF AN ATOMWhy HF is more polar between HF and H2O?What is orbit?Semiconductor and ElectronicsWhat is ionization energy?