Edexcel GCSE 9-1 CC3a - Structure of an atom full lesson. Very simple and comprehensive. Contains Dalton’s ideas about the atom.

Cotains everything needed as part of the 1-9 GCSE combined science curriculum for Edexcel. Includes Rutherford’s model of the atom at the beginning. Practice questions + answers. Hidden slides contain pages to print + things needed for the lesson. Learning outcomes for the lesson: State where most of the mass of the atom is found State the meaning of atomic number State the meaning of mass number Describe how the atoms of different elements vary State the number of electrons in an atom from its atomic number Calculate the number of protons, neutrons and electrons using atomic and mass numbers