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:Which of the following electron transition results…A hydrogen atom which has lost an electron contains?The energy change that accompanies the addition of…In an inter-species competition, the less successful…An electron of mass 9.1x 10^31 kg is travelling at a…