Which of the following transitions are NOT allowed in the normal electronic emission spectrum of an atom?A. 2s→ 1sB. 2p→1sC. 3d →2pD. 5p →3s 0 0 votesArticle Rating Subscribe LoginNotify of new follow-up commentsnew replies to my comments Label {} [+] Name* Email* Website Label {} [+] Name* Email* Website 0 Comments Oldest Newest Most Voted Inline FeedbacksView all comments
