Models of Bonding & Structure B.2 The Covalent Model (id: 85ffd4a38)

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

[填空题]

The bonds in ammonia ($NH_3$) are polar covalent.

• Draw the Lewis structure of ammonia.
• Explain why the covalent bonds in ammonia are polar.
• State the molecular geometry of ammonia ----待选择----Ttigonal pyramiadalTtigonalpyramiadal 
• The bond angle of ammonia differs from that of the ammonium ion,$NH_3^+$,The bond angle of ammonia is   $^{\circ}$,The bond angle of the ammonium ion is   $^{\circ}$
  

2.The boiling points of ammonia and the other group 15 compounds are shown.

Explain the variation of boiling points shown in the graph, using section 8 (Section 9- 2025 Syllabus) of the data booklet.

参考答案:
空格1: Ttigonal pyramiadal  空格2: 107  空格3: 109.5 


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