1. FUNCTIONAL GROUPS IN BIOMOLECULES & BONDING CAPACITY
….some more chemistry…

2. Functional Group
Cluster of atoms that are REACTIVE

3. 1) Hydroxyl - OH
Found in alcohols

4. 2) Carboxyl – COOH/COO-
Found in acids
Acetic Acid

5. 3) Amino – NH, NH2, NH3+

6. 4) Sulfhydryl - SH

7. 5) Phosphate – PO43-/-H3PO4

8. 6) Carbonyl – CO/COH

9. PRACTICE

10. Which of the following correctly illustrates a ketone?

11. Which of the following correctly illustrate a carboxyl group?

12. BONDING CAPACITY
The oxidation number (or number of bonds that an atom can form with neighbouring atoms or the ionic charge)

13. …BONDING CAPACITY Bonding capacity for common elements: C - 4 H - 1
S – 2 or 6
N – 3 or 5
P – 5 (in phosphate)

14. …BONDING CAPACITY

15. …BONDING CAPACITY H C C CH OH H

16. …BONDING CAPACITY

17. …BONDING CAPACITY

18. HOMEWORK
Page 23: # 1-3,7,12,14,15
Page 25: Copy Table 1 into your notes
Complete the worksheet
Answer key is on the wall
Print file 5 for tomorrow