The heaviest man made element found so for is__________?A. PromethiumB. UnunoctiumC. FranciumD. Technetium 0 0 votesArticle Rating Subscribe LoginNotify of new follow-up commentsnew replies to my comments Label {} [+] Name* Email* Label {} [+] Name* Email* 0 Comments Oldest Newest Most Voted Inline FeedbacksView all comments
