Mark Scheme (Results) January 2018 - Edexcel

Mar 08, 2018 · (ii) the more reactive the metal the greater the temperature rise ACCEPT reverse argument IGNORE reactivity is proportional to temperature rise 1 (iii) no reaction (takes place)/ gold does not react (with hydrochloric acid) IGNORE gold is (too) unreactive/not reactive enough 1 Total 7 marks .

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International GCSE Chemistry - Edexcel

Jan 14, 2013 · *P41538A0528* 5 Turn over 2 The halogens are elements in Group 7 of the Periodic Table. (a) Put a cross in the box to indicate your answer. (i) Chlorine gas is (1) A brown B colourless C green D violet (ii) At room temperature, the physical state of bromine is