Soft
Hard
Neodymium is a chemical element having the symbol Nd and an atomic number of 60. It is a soft, silvery metal and conducts electricity.
Neptunium trifluoride is an intermediate for the preparation of neptunium metal.
soft you can bend and hard you can not
Neptunium is a metal.
it is hard and sometimes soft
hard
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].
Electron configuration of neptunium: [Rn]7s26d15f4
No use today; neptunium trifluoride is used to prepare neptunium metal.