urgent!!

2008-01-06 4:51 pm
is potassium permanganate a ionic compound or covalent compound ?
is ammonium chloride a ionic compound or covalent compound ?


WHY????
更新1:

多謝ngchihoglory的回覆 , 但ammonium NH4 唔係多左粒電子咩 ???

回答 (2)

2008-01-08 6:45 am
✔ 最佳答案
potassium permanganate is a ionic compound.
ammonium chloride is also a ionic compound.

ammonium is a cation which carry 1+ charged.
ngchihoglory~~~呢D上F.3 CHEM堂有教嫁喎!!!!好明顯你係唔留心聽書啦!!!~~
唔好見ammonia唔係metal就以為ammonium chloride係covalent compound。

ammonium ion is an exceptional case.
2008-01-07 12:52 am
Potassim Permanganate is ionic compound.
Ammonium Chloride is covalent compound.
呢D上F.3 CHEM堂有教嫁喎!!!!好明顯你係唔留心聽書啦!!!~~

Ionic Bond-----
Metal+Non Metal

Covalent Bond----
Non Metal Only

Metallic Bond----
Metal Only
以上個D唔包埋aqueous state(水溶液狀態) and plasma state(離子漿狀態)。
參考: 上堂留心聽書就識嫁啦!!!!!!!


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