Block, SkipCaptcha, nsAm_Govt_101RO, nsAm_Govt_101RW, nsAm_Govt_101_ta, nsTeam2RO, nsTeam2RW, nsTeam2_talkRO, nsTeam2_talkRW
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== Element ==
'''Name:''' Astatine
'''Symbol:''' At
'''Atomic Number:''' 85
'''Atomic Mass:''' 210 amu
'''Number of electrons:''' 85
'''Classification:''' Non-metal
'''Crystal structure:''' Unknown
'''Color:''' Unknown
'''Date of Discovery:''' 1940
'''Name of Discoverer:''' [[D. R. Corson]]
'''Name Origin:''' From Greek ''astatos''
'''Uses:''' Unknown
'''Obtained from:''' Man-made
'''Name:''' Astatine
'''Symbol:''' At
'''Atomic Number:''' 85
'''Atomic Mass:''' 210 amu
'''Number of electrons:''' 85
'''Classification:''' Non-metal
'''Crystal structure:''' Unknown
'''Color:''' Unknown
'''Date of Discovery:''' 1940
'''Name of Discoverer:''' [[D. R. Corson]]
'''Name Origin:''' From Greek ''astatos''
'''Uses:''' Unknown
'''Obtained from:''' Man-made