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Question

3. Ionic or Covalent : A compound has a melting point of 750oC and can conduct electricity
when dissolved in water.
4. Ionic or Covalent : A compound contains N, O, C, and H.
5. Metallic or Covalent: Liquid at room temperature, will not dissolve in water.
6. Ionic or Covalent : The compound crushes into pieces with a small amount of force, but
will not melt on a Bunsen burner.
7. Ionic or Covalent : Liquid at room temperature and is insoluble in water.
8. Ionic or Metallic : Easily bendable and good conductor of heat.

Answer 1

Here are the correct answers highlighted or circled:

3. Ionic: A compound has a melting point of 750°C and can conduct electricity when dissolved in water.

4. Covalent: A compound contains N, O, C, and H.

5. Covalent: Liquid at room temperature, will not dissolve in water.

6. Ionic: The compound crushes into pieces with a small amount of force but will not melt on a Bunsen burner.

7. Covalent: Liquid at room temperature and is insoluble in water.

8. Metallic: Easily bendable and good conductor of heat.