Based on the indicated electronegativities, arrange the foll…

Based on the indicated electronegativities, arrange the following in order of increasing ionic character: CsBr, LaBr3, PBr3, MgBr2. Element Electronegativity Br 2.8 P 2.1 Mg 1.2 La 1.0 Cs 0.7   A) CsBr, LaBr3, MgBr2, PBr3 B) CsBr, MgBr2, PBr3, LaBr3 C) PBr3, LaBr3, MgBr2, CsBr D) PBr3, MgBr2, LaBr3, CsBr