(a(i))[3]
Describe the arrangement, spacing and movement of the particles in the solid metal.
(a(ii))[1]
State the effect, if any, of cooling on the kinetic energy of the particles in the block of metal.
(b(i))[1]
State the name of the temperature at which particles have the least kinetic energy.
(b(ii))[1]
State the temperature value at which particles have the least kinetic energy. Include the unit.
(c)[2]
State two features of a surface that is a good emitter of thermal radiation.