1. WALT: about the atom

2. Success Criteria To understand the structure of an atom.
To have an understanding of the histroy of how the concept of an atom developed.

3. Histroy of the atom http://www.youtube.com/watch?v=R79SGQ02C2Q
6th Century BCE in India & Greece – first concepts of atoms.
1661 Robert Boyle – matter was made up of atoms.
1789 Antoine Lavoisier – conversion of matter.
1805 John Dalton – each element consists of unique atoms. Originator of modern atomic theory.
1869 Lavoisier and Mendeleev – periodic table.
1897 J. J. Thomson – discovered the electron and proposed the plum pudding model.
1909 – Geiger, Marsden and Rutherford – discovered the nucleus.

4. Properties of the atom
John Dalton in 1808 explained how atoms behave. We still mainly use this concept today.

5. Sizes of the subatomic particles

6. Atoms of elements

7. Atoms