1. Single Covalent B ...

 2. Double Covalent B ...

 3. Triple Covalent B ...

 4. Hydrogen Bonds

 5. Triple Covalent B ...

 6. Double Covalent B ...

 7. Single Covalent B ...

 8. Double Covalent B ...

 9. Triple Covalent B ...

10. Hydrogen Bonds