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Visual Elements: Astatine

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Description: General and physical information, source, key isotopes, and ionisation energies.
Astatine - Element information, properties and uses | Periodic Table '); $(fadenewsletterdivid).css({ 'filter': 'alpha(opacity=0)' }).fadeIn(); if ($.browser.msie && $.browser.version.substr(0, 1) '); $(fadefeedbackdivid).css({ 'filter': 'alpha(opacity=0)' }).fadeIn(); if ($.browser.msie && $.browser.version.substr(0, 1) 0) { if (e.keyCode == 27) { fadeoutFeedbackpopup(); } } if ($('#fadeNewsletterwidget').length > 0) { if (e.keyCode == 27) { fadeoutNewsletterpopup(); } } }); $('#fadeNewsletterwidget').live("click", function () { fadeoutNewsletterpopup(); }); $('#fadeFeedbackwidget').live("click", function () { fadeoutFeedbackpopup(); }); $('.bookmark_icon').hover(function () { $('#at15s').css({ 'position': 'fixed' }); }); if ($.browser.msie && $.browser.version == "6.0") { try { document.execCommand("BackgroundImageCache", false, true); } catch (err) { } } }); function IsCookieBannerVisble() { // If Cookie banner div exist if ($('#cookie_box').length != 0) { //If Cookie banner div exist and display is not set to none if ($('#cookie_box').attr("display") != 'none') { return true; } else return false; } else return false; }
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Page title:Astatine - Element information, properties and uses | Periodic Table
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Description:Element Astatine (At), Group 17, Atomic Number 85, p-block, Mass 209.987. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images.
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Creation Date: 1993-06-17T04:00:00Z
Expiry Date: 2020-06-16T04:00:00Z