Assertion: neptunium | /r/HasAspect | melting point of 913.2 k
Facets:
Source sentences:
text: The most stable of these is neptunium-237, with a half-life of 2.14 million years Properties: Neptunium has a melting point of 913.2 K, boiling point of 4175 K, heat of fusion of 5.190 kJ/mol,