What is the formula for rubidium nitride? Chemistry Ionic Bonds Writing Ionic Formulas 1 Answer anor277 Oct 23, 2017 Well, #"rubidium"# is an alkali metal..... Explanation: ...that forms a #Rb^+# cation....and nitrogen forms a nitride ion....#N^(3-)# #1/2N_2+3e^(-) rarr N^(3-)# ....and thus we form a #Rb_3N# salt when the ions make music together....and this is probably not something we could put into a bottle..... Answer link Related questions How do you write ionic formulas for binary compounds? What is the ionic formula for calcium chloride? What is the ionic formula for calcium oxide? What is the ionic formula for lithium oxide? How do you write the formula for ionic compounds? How do I write #Sn(NO_3)_2# in Ionic formula? What is the empirical formula for an ionic compound? What is the molecular formula for chorate? Question #7086b Why are polyatomic ions covalent? See all questions in Writing Ionic Formulas Impact of this question 40891 views around the world You can reuse this answer Creative Commons License