Answer to Question #320307 in General Chemistry for Rookie

Question

Classify the crystalline forms of these substances as ionic crystals, covalent crystals, molecular crystals, or metallic crystals.

1. CO2

2. B

3. S8

4. KBr

5. Mg

6. SiO2

7. LiCl

8. Cr

9. Sr

10. MgCl2

Answer 1

1. CO₂ - molecular crystal

2. B - covalent crystal

3. S₈ - molecular crystal

4. KBr - ionic crystal

5. Mg - metallic crystal

6. SiO₂ - covalent crystal

7. LiCl - ionic crystal

8. Cr - metallic crystal

9. Sr - metallic crystal

10. MgCl₂ - ionic crystal