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OpenStudy (anonymous):

explain why Magnesium fluoride has a high melting and boiling point

OpenStudy (anonymous):

help

OpenStudy (gebooors):

Ionic compounds have usually high melting point. Between ions there are electromagnetic attractive force. Strength of the force It depends two things: charge of ions and size of ions. Strength of the force is inversely proportional to distance between charges. Because Mg2+ and F- - ions are relatively small, ions can be close together and force is greater compared e.g. CaCl2

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