Neptunium is a radioactive actinide produced mainly in nuclear reactors and used chiefly for research and isotope production.
Atomic number
93
Category
Actinide
Period
7
Group
f-block
State
Solid
Fun facts about Neptunium
Trace natural neptunium can arise from neutron reactions in uranium ores.
It can adopt several oxidation states in aqueous chemistry.
Neptunium-237 can be used to produce plutonium-238.
Common uses of Neptunium
Production of plutonium-238
Nuclear chemistry research
Where Neptunium sits in the periodic table
Neptunium belongs to the actinide series in period 7 and the f-block of the periodic table. Under the conditions represented in this reference, its state is solid.
Quick chemistry revision
For quick revision, pair the symbol Np with atomic number 93 and the listed atomic mass [237]. The summary, facts, and uses above keep those element properties together in one reference.