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

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asked Jul 7, 2021 213k views

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RET · Answer 1 · 2021-07-11T18:34:44+0000

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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.

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

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