What is the formula for barium bromide? Chemistry Ionic Bonds Naming Ionic Compounds 1 Answer anor277 Apr 13, 2017 #BaBr_2#............... Explanation: Barium is an #"alkaline-earth metal"#............i.e. #"Group 2"#. And thus barium commonly forms a #Ba^(2+)# ion, just as the halogen bromine, commonly forms a #Br^-#. And hence the salt formed is #BaBr_2#. Answer link Related questions How do you name ionic compounds with transition metals? What is the name of the ionic compound Ni3(PO4)2? What rules are used to name ionic compounds? How can I name ionic compounds with three elements? How can I name ionic compounds with transition metals? How do you name ionic compounds with roman numerals? How can I name polyatomic ionic compounds? How can I name ionic compounds? How can I name binary ionic compounds? What are some examples of ionic compounds names? See all questions in Naming Ionic Compounds Impact of this question 12799 views around the world You can reuse this answer Creative Commons License