In 1898, William Ramsay and Morris Travers cooled a sample of air until it liquefied, then warmed it up to capture different gases as they boiled off. They discovered three new elements: krypton, neon, and xenon. None of these gases could be made to react with any other substance.
State the chemical property of Group 0 elements that accounts for this complete lack of reactivity.
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.