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:In an inter-species competition, the less successful…The energy change which accompanies the addition of…The electron configuration of carbon atom in its…Over-crowding in seedlings of different species is…Which of the following ions has the electron…