# Do electrons in covalent bonds always obey the octet rule? [duplicate]

Do electrons in covalent bonds always necessarily obey the octet rule? Always?

• I +1'd because this duplicate will come handy when people with the same question search. Oh, and welcome to chemistry.SE! – M.A.R. Aug 3 '15 at 16:36
• @inɒzɘmɒЯ.A.M I apologise for my mistake. Thank you. – Harshit Garg Aug 7 '15 at 10:05

• Empty d-orbitals are not involved in the bonding in$\ce{PCl5}$. Rather the bonding is described as hypercoordinated. See this earlier answer. – ron Aug 3 '15 at 18:13