The species with no electron in the 3d-orbital is? by Sunday | Dec 9 | Chemistry WAEC | 0 comments A. Zn2+ B. Sc3+ C. Cu D. Mn Correct Answer: Option B B. Sc3+ Users Also Read These:An electron of charge 1.6 x 10^-19C is accelerated…The energy change which accompanies the addition of…Which of the following ions has the electron…An electron of mass 9.1x 10^31 kg is travelling at a…Which of the following electron transition results…