AQA Jan 2013 Paper 1 Q2

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do not write outside the box a use your knowledge of electron configuration and ionisation energies to answer this question the following diagram shows the second ionisation energies of some period elements second ionisation energy kj mol mg al si a i draw an x on the diagram to show the second ionisation energy of sulfur mark a ii write the full electron configuration of the al ion mark a iii write an equation to show the process that occurs when the second ionisation energy of aluminium is measured mark a iv give one reason why the second ionisation energy of silicon is lower than the second ionisation energy of aluminium mark wmp jan chem do not write outside the box b predict the element in period that has the highest second ionisation energy give a reason for your answer element reason marks c the following table gives the successive ionisation energies of an element in period first second third fourth fifth sixth ionisation energy kj mol identify this element mark d explain why the ionisation energy of every element is endothermic mark extra space turn over wmp jan chem

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