1. 
   Uranium nitride
   Uranium nitride refers to a family of several ceramic compounds: uranium mononitride (UN), uranium sesquinitride (U2N3), which exists in either an alpha or beta phase, and uranium dinitride (UN2). Uranium mononitride was used as driver fuel for two core loads of the sodium cooled BR-10 reactor in R...
   Found op http://en.wikipedia.org/wiki/Uranium_nitride
   
   
2. 
   Uranium(II) Nitride
   U3N2 Molar mass: 742.10013
   Found op http://www.convertunits.com/molarmass/Uranium(II)+Nitride
   
   
3. 
   Uranium(III) Nitride
   UN Molar mass: 252.03561
   Found op http://www.convertunits.com/molarmass/Uranium(III)+Nitride
   
   

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