Use the animation to show students a ball model of a water molecule (H 2 O) and post the water molecule card. Explain that a water molecule has two hydrogen atoms and one oxygen atom. Ask students to ...

solids cannot be squashed, therefore the atoms which make them up must be solid ... levels of energy within each type of atom. Bohr's 'solar system' model of the atom is the way that most people ...

The questions in this quiz are suitable for GCSE physics students studying developing the atom, Rutherford and the nucleus and further developments to the atomic model. If you struggled with the ...