Given below is a triangle illustrate the transition between ionic , metallic and covalent bonding
Where A, B and C respectively are compound which have more ionic , covalent and metallic character respectively . which combination go well for A , B and C ?
A. `MgF_(2) , I_(2) , Na_(3) Bi`
B. `IF_(7) , CIF , Na_(3)N`
C. `BeF_(2) , S_(8) , Na_(3) Sb`
D. `OF_(2) , CIF , NF_(3)`