Soft
Hard
it is hard and sometimes soft
hard
soft you can bend and hard you can not
Neptunium trifluoride is an intermediate for the preparation of neptunium metal.
Neptunium is a metal.
Neodymium is a chemical element having the symbol Nd and an atomic number of 60. It is a soft, silvery metal and conducts electricity.
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.
soft
"Treated wood can be soft or hard." But, generally what is bought from a lumberyard is soft.
Yes, neptunium is a metal.