He developed a law concerning the characteristic X-rays that are emitted by atoms, and thus allowed atomic numbers to be defined. Until this point, these numbers in the periodic table were simply an element’s place, rather than being associated with a physical property.
- Trouble in the periodic table
- Tribute at Oxford RSC Landmark event for First World War’s Lost Scientist
What happened today in chemistry? Explore 366 days of chemistry history at On This Day in Chemistry.
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