Neptunium
By:Harley Narramore
Information
Symbol:Np
Atomic #:93
Atomic Mass:237
# of Protons:93
# of Neutrons:144
# of Electrons:93
Melting Point degrees celsius:644
Boiling Point in degrees celsius:4000
Normal PhaseSolid at room temperature
It cost 660$ for 1 gram
Classification
it is Classified as a Radioactive Metal
It belongs to the Actinide Family
Origin
It is named after the Planet Neptune and was discovered by E.M. McMillan.
Important uses, facts, etc.
it has no known uses so far. It is a man-made Element and was discovered in 1940.