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 Form 4 Chemistry: Radioactivity Questions and Answers

(a) Study the table below and complete it. (#W^-1# and #X^(4+)# are not actual symbols of the ions).
(b) State the observation that would be made in the following tests to distinguish between:
(i)Sodium and copper by burning pieces of each in air.
(ii) Sodium and Magnesium by placing small pieces of each in cold water which contains two drops of phenolphthalein.

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