Helium is widely used to fill meteorological balloons and passenger airships.
State one property of helium, apart from its lack of chemical reactivity, that makes it suitable for this use.
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Markscheme
7.3 Group 0 Questions
44 exam-style questions on Edexcel GCSE Chemistry 7.3 Group 0, covering 7.3.1 The noble gases. Each one has a worked solution and a mark scheme showing where the marks go.