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GCSE CHEMISTRY ATOMIC STRUCTURE & BONDING. High Demand Questions QUESTIONSHEET 1. (a) Oxygen and sulphur are in the same group of the periodic table. Complete the table below to show the arrangement of electrons in oxygen and sulphur atoms. Atom shell 1 shell 2 shell 3. oxygen sulphur [2]. om (b) (i) Draw a diagram of an oxygen atom. [2]. ctiv (ii) Use your diagram to describe two ways in which oxygen can achieve a full outside shell of electrons.. ma .. [2]. he (c) Some of the oxygen in the atmosphere is in the form of ozone, O3. Scientists believe that chlorine radicals are destroying ozone. (i) What is the difference between a chlorine radical and a chlorine molecule?
www.chemactive.com GCSE CHEMISTRY ATOMIC STRUCTURE & BONDING High Demand Questions QUESTIONSHEET 5 The diagram below shows the electronic arrangement of an unknown substance. (a) (i) How many protons would there be if the unknown substance was a neutral atom?
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