Papichulo199 Papichulo199

19-10-2020
Chemistry

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Do you think MgO has a higher or lower
melting point than NaCl? Why?

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2612rashi 2612rashi

19-10-2020

Answer:

Magnesium Oxide (MgO) has a higher melting point than Sodium Chloride (NaCl) which is around 2,800 degrees Celcius. This is because its Mg2+ and O2- ions have a greater number of charges, and so form stronger ionic bonds, than the Na+ and Cl– ions in Sodium Chloride.

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