Answer to Question #77101 in Inorganic Chemistry for merry

Question

2. 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 selected elements. Comment on and interpret the variations evident in these data.

Element 1 t ionisation Energy (kJ mol-1)
Na 494
Mg 736
AI 577
Si 786
P 1060
S 1000

C) 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?

Answer 1

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