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Question 1

Describe and explain the melting point for giant ionic substances(3)

Answer 1

-High melting point
-Because of the strong electrostatic force of attraction between oppositely charged ions.
–That requires a lot of energy to overcome

Question 2

Describe and explain the melting point of simple covalent substances(3)

Answer 2

Small molecules
weak intermolecular forces
that require a small amount of energy to overcome