Question

What is the difference between ionic compounds and polar covalent compounds?

Answer 1

Ionic compound:

1. They usually have high melting points and boiling points.
2. They are soluble in water. (NaCl)
3. They often conduct electricity in a molten state.
4. They are usually crystalline solids.

Polar covalent compound:

1. Atoms do not have an equal distribution of shared electron pairs.
2. They ionise in water.
3. They are not electrically neutral.
4. Bond is formed between dissimilar atoms such as H₂O, NH₃, HCl.