Describe how the scattering of alpha (α) particles by a sheet of thin metal supports the nuclear model of the atom, by providing evidence for: (a) a very small nucleus surrounded by mostly empty space (b) a nucleus containing most of the mass of the atom (c) a nucleus that is positively charged
Describe the relationship between the motion of particles and temperature, including the idea that there is a lowest possible temperature (=273°C), known as absolute zero, where the particles have least kinetic energy
Describe the composition of the nucleus in terms of protons and neutrons