Some metals are found in the Earth's crust as uncombined elements because of their low reactivity.
Which of these metals is usually found uncombined in the Earth's crust?
aluminium
platinum
sodium
zinc
Practise Edexcel GCSE Chemistry Obtaining and using metals with exam-style questions for Foundation and Higher tier. 100 questions, matched to the Edexcel GCSE Chemistry (1CH0) specification and written in Paper 1 and Paper 2 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.