1. Basic Chemistry
Intro
For Biology

2. Fig. 2.1
C.H.N.O.P.S.

3. Why Study Biochemistry ?

4. Fig. 2.2
No Charge
+1 Charge
-1 Charge

5. Each has a +1 atomic mass unit
Fig. 2.3
Each has a +1 atomic mass unit
Negligible mass
OCTET RULE !!

7. Fig. 2.4a
IONIC BONDING – Between a Metal and a Non-Metal – to try to satisfy the “Octet Rule”

8. Fig. 2.4b

9. Here is the formation of an “Ionic Bond”
Fig. 2.4c
Non-Metal wants to accept e-
Metal – wants to donate e-
Here is the formation of an “Ionic Bond”

10. Fig. 2.4d

11. Fig. 2.5
METAL
NON-METAL

12. Fig. 2.6
Covalent Bonding involves electron sharing between Non-Metals to satisfy the “Octet Rule”

13. Water –Extremely
Unique properties

14. Fig. 2.8

15. Tap. 26a

16. Tap. 26b

17. Fig. 2.9