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TCB Featured Scientist

Dmitri Ivanovich Mendeleyev (Russian: Дми́трий Ива́нович Менделе́ев)(1834 - 1907) is considered the father of the modern periodic table. <ref>http://www.rsc.org/education/teachers/resources/periodictable/pre16/develop/mendeleev.htm</ref>

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Henry MoseleyJean Baptiste PerrinEvangelista Torricelli
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Absolute zero is the zero point temperature in Kelvin and Rankine temperature scales in which there is no motion. As heat is added to the system then motion increases, and may be measured by a thermometer.
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MolalityLearning chemistryNuclear decay
TCB Featured Element
Main article: Praseodymium

Praseodymium is a rare earth element that has the symbol Pr and atomic number 59.
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Primordial elementsTrace radioisotopeSynthetic elements
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Main article: Archived News

Information bullet.png June, 2010: News has been moved to WordPress installation as well as wiki edits now show in the activity stream.