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Ionic compounds have the highest intermolecular forces, because the positive sides of one molecule will be attracted to the negative sides of another, and vice versa.

Because of the strong forces keeping them together, it takes a large amount of energy, and therefore a high temperature, to break them apart (melt them).

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Q: Why do ionic compounds have high melting temperatures?
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Related questions

In ionic compounds Is the melting point high or low?

They have high melting points


When are ionic compounds at melting point?

ionic compound tend to have a high melting point because of their high electronegativity.


What compound that has a high melting point?

ionic compounds


Compounds with high melting points have?

Because they have interlocking electrons as the different elements' electrons have been 'tangled'


What is the difference in metals and ionic compounds when force is applied?

ionic compounds have a high melting point compared to metals and ionic compounds do not conduct electricity as metals


Are melting points of covalent compounds high or low compared to ionic compounds?

Ionic compounds have strong electrostatic force of attraction and hence have higher melting points than covalent compounds.


What can be said about the melting point of ionic compounds in general?

It is very very high


Why is so difficult to melt ionic compounds?

Melting a crystal implies that the lattice structure has to be broken down. Ionic compounds have strong lattices held together by electrostatic ionic bonds and generallly have high melting points.


What causes ionic compounds to have high melting point?

Ionic bonds require relatively high energies to be broken compared to the weaker hydrogen bond and van der Waals forces. Ionic compounds will thus have higher melting points than polar and organic compounds of similar molecular weight.


Is a typical property of an ionic compound?

low melting point. ionic compounds have high melting and boiling points. They conduct electricty in solution or in molten state unlike covalent compounds and carbon compounds which are poor conductors of electricity .


Is low melting pointing a typical property of ionic compound?

No. Ionic compounds are high melting, examples: NaCl 8010C, CaBr2, 7300C; Li2O 15700C)


What is the Melting point of ionic compounds?

This is a phase change from solid to liquid which occurs at a fixed temperature when the ionic lattice breaks down. In general ionic compounds are high melting.