B explain the difference of electric conductivity

b. Explain the difference of electric conductivity between copper (II) chloride and copper.
c. Does copper (II) chloride conduct electricity in molten state? Explain your answer.

Sunny Lee
Structure and properties of substance
物質的結構和特性
H O
2
Wrong demonstration 錯誤示範
The following question will show a wrong answer, give a correct answer in the correction box.
♓┖갭泘働㷤炑⺱㱄氳ꎭ鏲璽갭亡嫏鍲㏇䷊塜垩╈㵫璽勇䷊塜
1. Draw the electronic diagram of water molecule. (Show the outermost shall electrons
only)
筑⭴姢⮈㯹氳꧆㯹磶啶㎬ ( ⺆ꯄ걦炑㛛㷻꧆㯹 )
Demonstration 炑疘 Correction ䷊塜
2. Briefly describe the bonding of copper.
12

Sunny Lee
Structure and properties of substance
物質的結構和特性
13
3. a. Why graphite can be peel off easily?
b. A student state that” Graphite can peel off easily, so the melting point of that should
be lower than diamond.” Do you agree this statement? Explain your answer.

Sunny Lee
Structure and properties of substance
物質的結構和特性
14
4. a. What is the attraction force between oxygen molecules?
b. With reference to the electronic structure of , explain the high reactivity of it.