Neptunium is a metal.
Neptunium is a solid metal.
Neptunium beryllide (NpBe3) is a solid chemical compound (not metal, nonmetal or metalloid).
Neptunium trifluoride is an intermediate for the preparation of neptunium metal.
The three common compounds of neptunium are neptunium dioxide (NpO2), neptunium trichloride (NpCl3), and neptunium tetrafluoride (NpF4).
Neptunium is an individual element; isotopes of neptunium are not separated.
Neptunium(IV) oxide or neptunium dioxide is the chemical compound composed of neptunium and oxygen with the formula NpO2. It forms dark olive[4] green cubic crystals[1].
Yes, neptunium is a metal.
Neptunium is not in foods.
No use today; neptunium trifluoride is used to prepare neptunium metal.
Neptunium is an artificial element.Amounts of natural neptunium are absolutely nonsignificant.
Electron configuration of neptunium: [Rn]7s26d15f4
Neptunium atom is neutral; ions of neptunium have valences between 3 and 7.