Bracket series is obtained when all transition of electron terminate on_______________?A. 4th orbitB. 5th orbitC. 3rd orbitD. 2nd orbit 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