The atomic number of iron is 56. The number of unpaired electrons in the Fe3+ ion is? by Sunday | Apr 20 | Chemistry NECO | 0 comments A. 1 B. 2 C. 3 D. 4 E. 5 Correct Answer: Option C – 3 Users Also Read These:The electronic configuration of an element is 1S²…What quantity of electrons is lost when one mole of…The number of unpaired electrons in an atom of an…The presence of unpaired electrons in an atom of a…What type of bond exits between an element X with…