Headlights that contain xenon give off a characteristic glow
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The terms in red link to topics in the AQA, Edexcel, OCR, WJEC and CCEA A-level specifications, as well as the Highers/Advanced Highers exam specifications.
This ‘Encounter’ looks at the properties of three elements, addressing atomic number, electronic configuration, allotropes, isotopes and trends in properties.
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