Difference between revisions of "Actinium"

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{{Element | name=Actinium | symbol=Ac | anumber=89 | amass=227.0 amu | noe=89 | class=Transition Metal | cstructure=Cubic | color=Silver | date=1899 | discname=André-Louis Debierne | origname=From the Greek ''aktinos''. | uses=Unknown | obtained=Synthesized in labs, as it is extremely rare. }} The actinide series of elements, which have atomic weights between actinium and lawrencium.
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{{Element | name=Actinium | symbol=Ac | anumber=89 | amass=227.0 amu | noe=89 | class=Transition Metal | cstructure=Cubic | color=Silver | date=1899 | discname=André-Louis Debierne | origname=From the Greek ''aktinos''. | uses=Unknown | obtained=From Radium, by neutron irradiation.}}
'''Actinium''' is a very rare [[radioactive]] chemical [[element]]. It is silvery-white and glows blue in the dark. <ref>[[Encylopaedia Britannica]] online, [http://www.britannica.com/eb/article-9003601/actinium ''Actinium'']</ref>
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'''Actinium''' is a very rare [[radioactive]] chemical [[element]]. It is silvery-white and glows blue in the dark.<ref>[[Encylopaedia Britannica]] online, [https://www.britannica.com/eb/article-9003601/actinium ''Actinium'']</ref>
  
 
==References==
 
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{{Template:Periodic table}}
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{{Periodic table}}

Latest revision as of 13:04, September 26, 2018

Actinium
Properties
Atomic symbol Ac
Atomic number 89
Classification Transition Metal
Atomic mass 227.0 amu
Other Information
Date of discovery 1899
Name of discoverer André-Louis Debierne
Name origin From the Greek aktinos.
Uses Unknown
Obtained from From Radium, by neutron irradiation.

Actinium is a very rare radioactive chemical element. It is silvery-white and glows blue in the dark.[1]

References

  1. Encylopaedia Britannica online, Actinium