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Astatine - Wikipedia, the free encyclopedia
Astatine (pronounced /ˈæstətiːn/ AS -tə-teen or AS -tətin ) is a radioactive chemical element with the symbol At and atomic number 85. It is the heaviest of the discovered ...
en.wikipedia.org/wiki/Astatine |
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Astatine is a member of the halogen family, elements in Group 17 (VIIA) of the periodic table. It is one of the ... The properties of astatine are not well known. The element breaks down too fast to allow experiments that take more than a few hours. No melting point, boiling point, or density is specified for astatine.
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Astatine General Information ... Astatine Chemical Properties ... Return to Top Element Properties: General - Physical - Chemical - Nuclear - Energy...
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This WebElements periodic table page contains physical properties for the element astatine ... You are here: WebElements Periodic Table » Astatine » Physical properties...
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astatine,periodic tables,metal powder information,physical data ... Physical Properties of Elements for Research & Industry; AEE Website Table of Contents ... HISTORY, BACKGROUND & USES:; Astatine is a radioactive element that was sythetically produced.
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The Element Astatine - Basic Physical and Historical Information ... The Element Astatine; [Click for Isotope Data] ... Astatine was produced by Dale R. Carson, K.R. MacKenzie and Emilio Segrè by bombarding an isotope of bismuth, bismuth-209, with alpha particles that had been accelerated in a device called a cyclotron.
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