Neptunium
93
Np
Neptunium
As Neptunium is a radioactive element without any stable isotopes, Lorad Chemical does not manufacture any compounds that incorporate this element.
Properties
Atomic Number:
93
Atomic Symbol:
Np
Atomic Mass:
237u
CAS No:
7439-99-8
Density:
20.45 g/cm³
Series:
Actinoid
Melting Point:
644°C
Boiling Point:
4,000°C
Thermal Conductivity:
0.06 W/cm °C
Heat of Fusion:
10 kJ/mol
Heat of Vaporization:
335 kJ/mol
Electronegativity:
1.36 pauling
Crystal Structure:
Orthorhombic
Electric Conductivity:
830000 S/m
| Item # | Product | Formula | CAS # |
|---|---|---|---|
| We do not currently manufacture any products that incorporate this element. | |||