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Topic: Magnesium Oxide and his melting point  (Read 4761 times)

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Offline pelbonno

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Magnesium Oxide and his melting point
« on: September 24, 2007, 01:10:53 PM »
Hi, I have one question for you. I'll be very glad if you help me.

so...

Why does Magnesium Oxide have a high melting point??

I know that Magnesium loses 2 electrons and Oxygen gains it. But I don't know how exactly answer on this question.

Thanks
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Offline Yggdrasil

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Re: Magnesium Oxide and his melting point
« Reply #1 on: September 25, 2007, 09:42:55 AM »
What kind of compound is magnesium oxide (ionic or covalent)?  When you need to melt magnesium oxide, what kind of bonds are you breaking?
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