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PS A Bit of History
Niels Bohr - Physicist
PS Parts of an Atom
Protons, Neutrons and Electrons

PS The Bohr Structure
A model of an atom
PS Energy Levels
Electrons, Levels and Energy

PS The Atoms of Life
C, H, O and N
PS Stability and Ions
Filling Electron levels

PS Covalent Bonds
Joining atoms together
PS The Special Case of Water
Electronegativity and liquids

PS Monomers and Polymers
Joining units together
PS Lipids and Polysaccharides
All the same monomers

PS Proteins
Versatile heteropolymers
PS Polynucleotides

Science at a Distance
© 2000, Professor John Blamire