Fig. 2.3 Negligible mass Each has a +1 atomic mass unit Carbon is quite unique in that it only has 4 valence electrons, which means that it would like.
Nutrition Expedition Carbohydrates Lipids Proteins.
Topic 6 : PLASTIC. INTRODUCTION What are polymeric materials? Polymers are organic materials made of very large molecules containing hundreds of thousands.
Macromolecules
