A sample of deuterium gas in an electric discharge tube
The terms in bold link to topics in the AQA, Edexcel, OCR, WJEC and CCEA A-level specifications, as well as the IB, Pre-U and SQA exam specifications.
The nuclear model of atomic structure has its origins in scattering experiments carried out by Rutherford and coworkers. The existence of the hydrogen isotopes deuterium and tritium was confirmed in experiments using spectroscopy and nuclear reactions.
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