CIE Nov 2015 v1 Paper 4 Q2

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PMT (a) Complete the table to show the number of unpaired electrons in the outer shell of each of the gaseous atoms, Na to Ar. Na Mg Al Si Cl Ar number of unpaired electrons [3] (b) (i) Complete the table for the reactions of two Period 3 chlorides with water. Period 3 chloride observations pH of solution formed SiCl 4 PCl 5 (ii) Write an equation for the reaction between SiCl 4 and H2O.[1] [Total: 7] [3]UCLES 2015 9701/41/O/N/15<br />

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