A.O2、NO B.N2、F2 C.O22+、NO+
A.核外電子數(shù)依次減少 B.鍵級(jí)依次增大 C.凈成鍵電子數(shù)依次減少
A.u,g,u,g B.g,u,g,u C.g,g,g,g