判断KCl、NaCl、CaO、BaO四种离子晶体的熔点高低顺序( )。
A.KCl＞NaCl＞BaO＞CaO B.NaCl＞KCl＞CaO＞BaO C.CaO＞BaO＞NaCl＞KCl D.CaO＞BaO＞KCl＞NaCl正确答案C
判断KCl、NaCl、CaO、BaO四种离子晶体的熔点高低顺序( )。
A.KCl＞NaCl＞BaO＞CaO B.NaCl＞KCl＞CaO＞BaO C.CaO＞BaO＞NaCl＞KCl D.CaO＞BaO＞KCl＞NaCl正确答案C
