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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.

www.chemactive.com GCSE CHEMISTRY ATOMIC STRUCTURE & BONDING High Demand Questions QUESTIONSHEET 5 The diagram below shows the electronic arrangement of an unknown substance.

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