id author title date pages extension mime words sentence flesch summary cache txt zp38w952r8f Tori M Forbes The Crystal Chemistry of Neptunium Compounds: Structural Relationships to U6+ Mineralogy 2007 .txt text/plain 305 13 36 The difference in valency of the actinyl ion combined with a prevalence for cation-cation interactions in Np5+compounds causes a significant divergence in the crystal chemistries of Np5+and U6+ compounds. This lack of knowledge poses a problem in regards to accurately describing and interpreting the physical and chemical properties of neptunium compounds. cache/zp38w952r8f.txt txt/zp38w952r8f.txt