Chemical Entity Data Page
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Eka-caesium Fr Francium |
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Fr
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Real, short lived (transient), electronically neutral species. Gram formula weight (molecular mass) = 223.01 !! All isotopes radioactive !!
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![](http://www.chemthes.com/icon_2/2696.gif"){kind=icon} |
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Francium is defined with respect to the entities below: |
The
entities below are defined with respect to: Francium |
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![](http://www.chemthes.com/icon_5/3792.png"){kind=icon}
![](http://www.chemthes.com/icon_5/3819.png"){kind=icon}
![](http://www.chemthes.com/icon_5/2737.png"){kind=icon}
![](http://www.chemthes.com/icon_5/4164.png"){kind=icon}
![](http://www.chemthes.com/icon_5/3818.png"){kind=icon}
![](http://www.chemthes.com/icon_5/2745.png"){kind=icon}
© Mark R. Leach 1999 –
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