Primary
Nobel Media AB

The Nobel Prize: Marie and Pierre Curie and the Discovery of Polonium and Radium

For Students 9th - 10th
The Nobel Foundation provides a lecture given by Nanny Froman at the Royal Swedish Academy of Science in Sotckholm, Sweden. "Marie and Pierre Curie and the Discovery of Polonium and Radium" is organized into several sections including:...
Primary
York University

York University: Benzene

For Students 9th - 10th
This site from York University gives detailed information on the structure of benzene, including mentioning August Kekule, who discovered the correct structure.

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