Why does H2O have a lower melting point than MgO

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asked Jan 17, 2021 164k views

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Bruce Seymour · Answer 1 · 2021-01-22T02:12:36+0000

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.

Why does H2O have a lower melting point than MgO

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