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How do properties of ionic and molecular compounds differ?

Answer 1

Natalie Anton

Ionic Compounds

Have high melting points.
Have high boiling points.
Tend to be soluble in water.
Conduct electricity in liquid form and in aqueous solution.
Are usually hard and brittle solids.
Have high enthalpies of fusion.
Have high enthalpies if vaporization.
Covalent Compounds:
1. Have low melting points.
2. Have low boiling points.
3. Have widely varying solubilities in water.
4. Do not conduct electricity.
5. Are usually soft in the solid form.
6. Have low enthalpies of fusion.
7. Have high enthalpies of vaporization.

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Answer 2

Jeremiah Adams

Molecular compounds have covalent bonds, lower melting and boiling points, and do not conduct electricity in water. Ionic compounds, on the other hand, have ions formed through electron transfer, have high melting and boiling points, and conduct electricity when dissolved in water.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.