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www.chemactive
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.
www.chemactive.com GCSE CHEMISTRY ATOMIC STRUCTURE & BONDING High Demand Questions QUESTIONSHEET 6 An unknown element is found to exist as the following two isotopes: X24 13 X 28 13 (a) Complete the following table:
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