IN 1937, Perrier and Segrè showed that radioactive isotopes of element 43 could be formed by neutron or deuteron bombardment of molybdenum 1. Several chemical properties of element 43 were established ...
Word origin: The word technetium comes from the Greek technetos, artificial. Discovery: Technetium was the first element to be produced artificially. Element 43 was predicted on the basis of a gap in ...
When the periodic table was being put together in the late 1800s, a hole remained in the center of the middle row of transition metals where element 43 should be. This space stayed vacant until 1937, ...
A SMALL quantity (0.11 gm.) of technetium-99 metal has recently been loaned to us by Oak Ridge Laboratories (U.S. Atomic Energy Commission) and we have taken the opportunity to measure the melting ...
Artemis Spyrou receives funding from the National Science Foundation and the Department of Energy/National Nuclear Security Administration. Hendrik Schatz receives funding from National Science ...
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