User:Thingg/neptunium
Chemical element, symbol Np and atomic number 93 / From Wikipedia, the free encyclopedia
Refs: critical mass; health effects; general info (German). (These are not great sources, but links to info for which we should search for sources. There are some errors in the German article...and no, they're not typos, although I did see at least one of those!)
Physical properties refs: specific heat allotropes electrical resistivity, thermoelectric power in 300–900 K
Some properties (sorry, don't have fulltext for this one):
Yoshida et al. (see bibliography at bottom) is a very rich source of material when it comes to chemistry.