Block, SkipCaptcha, nsAm_Govt_101RO, nsAm_Govt_101RW, nsAm_Govt_101_ta, nsTeam2RO, nsTeam2RW, nsTeam2_talkRO, nsTeam2_talkRW
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== Element ==
'''Name:''' Antimony
'''Symbol:''' Sb
'''Atomic Number:''' 51
'''Atomic Mass:''' 121.8 amu
'''Number of electrons:''' 51
'''Classification:''' Standard Metal
'''Crystal structure:''' Rhombohedral
'''Color:''' bluish
'''Date of Discovery:''' It has been known since ancient times.
'''Name of Discoverer:''' Unknown
'''Name Origin:''' From Greek ''anti'' and ''monos''.
'''Uses:''' Hardens lead, plastics, and chemicals.
'''Obtained from:''' stibnite and valentinite.
'''Name:''' Antimony
'''Symbol:''' Sb
'''Atomic Number:''' 51
'''Atomic Mass:''' 121.8 amu
'''Number of electrons:''' 51
'''Classification:''' Standard Metal
'''Crystal structure:''' Rhombohedral
'''Color:''' bluish
'''Date of Discovery:''' It has been known since ancient times.
'''Name of Discoverer:''' Unknown
'''Name Origin:''' From Greek ''anti'' and ''monos''.
'''Uses:''' Hardens lead, plastics, and chemicals.
'''Obtained from:''' stibnite and valentinite.