Basic Organic Chemistry
CALCULATIONS INVOLVING FORMULAE National 5 Chemistry KNOCKHARDY PUBLISHING.
Chapter 51 Example NO 2 ( ) nitrogen ( ) oxide 2 O’snitrogen dioxide 1 NMononitrogen dioxide often omit “mono” Nitrogen dioxide.
Compounds and Chemical Change. This is a scanning tunneling electron microscope image of DNA, showing the actual grooves of the double helix. The scale.
Unit 1 Chemistry of Life: Atoms and Molecules. Elements Required for Life Approx 25 elements C, O, H and N 96% of living matter P, S, Ca and K 4%
Chemical bonds An introduction to chemistry. Compounds and chemical change Atom - smallest elemental unit Molecule –smallest particle still retaining.
