The degree to which the particles move is determined by the amount of energy they have and their proximity to other particles (ie how strong the force or bond is between particles). INSERT ...

The Particle Characterisation Group is one of the ... or building block, for the discussion on bonds, shape, crystals, particles. A common chemical structure of a square based pyramid is the initial ...

The speed of a chemical reaction is affected by temperature, concentration, particle size and the presence ... of the main groups of elements. Bonding and properties of materials Only the noble ...