Models of Bonding & Structure B.2 The Covalent Model (id: 0df59fd6c)

本题目来源于试卷: Models of Bonding & Structure B.2 The Covalent Model，类别为 IB化学

[单选题]
Which of the following has covalent bonding?

I.$CCl_4$
II.$Ca_3N_2$
III.$NH_3$

A. III only
B. I and II only
C. I and III only
D. I, II and III


参考答案:  C


本题详细解析:
Non-metal elements bond to each other covalently. $Ca_3N_2$ is made up of a metal and a nonmetal (with a large difference in electronegativity) and has ionic bonding.

微信扫一扫，分享更方便