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Introduction.
What is chemistry.
Why do we learn / need chemistry.
What can we gain.
Present job market.
Lesson 1.
Atom.
What is atom.(definition)
History.
Inventions about atomic structure.
Sir.J.J.Thompsan.
Sir.Rutherfurd.
Todays accepted atomic structure.
Contents of an atom.
Electron
Proton
Neutron
Atomic number.
Mass number.
Quantum theory.
Isotopes.
Definition.
Description.
Examples.
Introduction.
What is chemistry.
Why do we learn / need chemistry.
What can we gain.
Present job market.
Lesson 1.
Atom.
What is atom.(definition)
History.
Inventions about atomic structure.
Sir.J.J.Thompsan.
Sir.Rutherfurd.
Todays accepted atomic structure.
Contents of an atom.
Electron
Proton
Neutron
Atomic number.
Mass number.
Quantum theory.
Isotopes.
Definition.
Description.
Examples.
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