Neptunium is a ductile metal.
Uranium is a fairly malleable substance, and it is also ductile.
Neptunium is ductile and malleable; see also at: http://www.onemine.org/search/summary.cfm/Institute-of-Metals-Division--Fabrication-of-Neptunium237-Wire-by-Extrusion-TN?d=25FB0091D9A4A9A7F667E4C439E0ED9006727D6BC0570438EA2470D65AC3E9C126367
ductile is not an element. ductile is a property of an element
Yes, neptunium is an artificial chemical element.
Neptunium is an individual element; isotopes of neptunium are not separated.
Neptunium is an artificial element; it is not mined.
Neptunium was discovered in 1940.
Neptunium is a chemical element.
neptunium has 93 protons.
Neptunium is a man made chemical element.
Neptunium is a chemical element with the symbol Npand atomic number 93.A metallic element, it does not have a color.
Any element; neptunium can form himself a critical mass.