Brittleness is a concept applied to solids. Solid nitrogen appears under extremely high pressures and low temperatures. The structure is like diamond, and probably as hard. So probably it is brittle.
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].
The outer shell of neptunium atom has two electrons.Valences of neptunium are between 3 and 7.
Neptunium is a member of the actinoids family.
Neptunium is a member of the actinoids family.
The melting point of neptunium is 639 0C.The calculated boiling point of neptunium is 4 174 0C.
Neptunium trifluoride is an intermediate for the preparation of neptunium metal.
Neptunium is a 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.
Neptunium has 93 protons.