1. Draw the bonding in metals








2. Why metals are malleable







3. Why metals conduct electricity









4. Sodium chloride is having a high melting point. why?








5. Draw and explain the structure of diamond



















6. Diamond is having a high melting point .why?






7. Why sodium chloride do not conduct electricity in solid state










8. Diamond is having a high sublimation point .why?








9. Why is diamond used for cutting?








10. Draw the structure of sodium chloride and magnesium chloride










11Why magnesium chloride is having a high melting point than sodium chloride









12.Molten sodium chloride conducts electricity. Why?








13.Define alloys. Why they are hard. Draw the structure of alloys