All Isotopes articles – Page 2
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ResourceOn This Day - Feb 18 : Introduction of isotope
British chemist Frederick Soddy coined the term isotope (from the Greek, meaning ‘in the same place’) to describe different elements that can be chemically indistinguishable but have different atomic weights and characteristics.
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NewsPeriodic table of the isotopes launched by IUPAC
IUPAC has launched a new periodic table which emphasises isotopic composition
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FeatureIda Noddack and the missing elements
Distinguished women chemists were rare in the early 20th century, but their contributions to chemistry are of great significance. Ida Noddack's scientific career centred around her intensive study of the Periodic Table, and resulted in her discovery, with husband Walter Noddack and physicist Otto Berg, of the metal rhenium, and of nuclear fission in the search for element 93.
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