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The 60-inch cyclotron at the Lawrence Radiation Laboratory, University of California, Berkeley, in August 1939
The 60-inch cyclotron at the Lawrence Radiation Laboratory, University of California, Berkeley, in August 1939
The data sheet, showing stylus tracing and notes, that proved the discovery of mendelevium.
The data sheet, showing stylus tracing and notes, that proved the discovery of mendelevium.
The element was named after Dmitri Mendeleev.
The element was named after Dmitri Mendeleev.
Solution containing Pm3+ ions
Uraninite, a uranium ore and the host for most of Earth's promethium
Uraninite, a uranium ore and the host for most of Earth's promethium