Chemistry Which one has maximum number of unpaired electrons ? Options:A. 6XB. 7YC. 9ZD. 13WView AnswerB. 7Y Continue Reading Previous: Branch of chemistry that deals with the complete qualitative and quantitative analysis of a substance is___________________?Next: 58.5g of of NaCl per 1 dm3 of solution of NaCl in water the concentration of solution will be___________________?