A.Li+>Na+>Mg2+>Cs+ B.Na+>K+>Cs+>Li+ C.Al3+>Li+>K+>Cs+ D.Li+>K+>Mg2+>Al3+
A.Li+>Na+>K+>Cs+ B.Na+>K+>Cs+>Li+ C.Na+>Li+>K+>Cs+ D.Li+>K+>Na+>Cs+