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Oct 11, 2008
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Periodic Table of the Elements: Astatine
Atomic Number:85
Atomic Symbol:At
 Astatine
Atomic Weight:(210)
Electron
Configuration:
2 · 8 · 18
32 · 18 · 7
periodic table

The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2007, Columbia University Press. All rights reserved.

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