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:What is Organic Chemistry?What is orbit?Basis of Periodic TableRUTHERFORD’S MODEL OF AN ATOMWhy HF is more polar between HF and H2O?Why is 2d orbital not possible?