# 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
it is Classified as a Radioactive Metal
It belongs to the Actinide Family
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.