Question

Answer ALL parts a)-c). a) Explain what is meant by the term ionisation energy b) The table below gives the values of the first ionisation energies for 12) selected elements. Comment on and interpret the variations evident in these data. Element Na Mg Al Si 1st lonisation Energy (kJ mo ) 494 736 577 786 1060 1000 19) What structures do the solid forms of the elements sodium, silicon and sulphur adopt under ambient conditions (i.e. standard temperature and pressure)? How are the structures and electrical conductivities of these elements related to their first ionisation energies? c)

Answer 1