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Isotopes of hydrogen

1H, 2H…what next?

Hydrogen is the lightest element and has a simple atomic structure, but there is not just one variety of hydrogen atom. This article explains how different varieties of hydrogen were discovered and describes some of their uses

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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