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 element with the electron configuration of 1s²…A hydrogen atom which has lost an electron contains?Which of the following electron transition results…The energy change which accompanies the addition of…Which of the following ions has the electron…