please answer all questions

for the last question: the types of solids dicussed were the four standard types. ionic, metallic, molecular, covalent network

5. Compare and contrast intermolecular and intramolecular forces (3) & Which substance, NC, or BC, has the strongest intermolecular forces? Explain your thinking-(3 7. Choose any two of the types of solids studied in class and explain how their bonding structure provides the physical properties that the solid exhibits. (4)