Neptunium
Np
Np
1
  
 
Real, short lived (transient), electronically neutral species.

Gram formula weight (molecular mass) = 237.04
Melting point = 637 °C


!! Radioactive !! Man-made element
Wikipedia Page:

Neptunium
is defined with respect to the entities below:
The entities below are defined with respect to:
Neptunium
Actinide element (generic)


Metallic element (generic)


Mono-bond type material (generic)


Period 7 element (generic)


Radioactive material (generic)


chemical compound molecule metal molecular science reaction mechanism ionic material acid base geometry reactivity synthesis science knowledge chemistry Lewis