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Topic: melting point of NaF and NaCl  (Read 6716 times)

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Offline oceanmd

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melting point of NaF and NaCl
« on: November 12, 2010, 09:51:13 PM »
Why does NaF has a higher melting point than NaCl, while NaCl has a higher molecular weight?
Thank you
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Offline Fluorine

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Re: melting point of NaF and NaCl
« Reply #1 on: November 12, 2010, 10:26:13 PM »
What is the attractive force between NaF and NaF as well as NaCl and NaCl? Which ones' is stronger - why? If you can answer these you'll have solved it yourself.
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Offline opti384

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Re: melting point of NaF and NaCl
« Reply #2 on: November 14, 2010, 01:12:22 AM »
Hint: electronegativity
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