Neptunium is a solid metal.
Neptunium is not in foods.
The actinides are a group of elements. What state of matter they're in depends on which particular one you're talking about and what the temperature is, though in cases where the temperature is one that a human could reasonably expect to survive "solid" is an extremely good guess.
Neptunium itself is an element, the simplest form of matter.
Neptunium is an artificial element.Amounts of natural neptunium are absolutely nonsignificant.
Neptunium is a solid metal at room temperature.
At room temperature neptunium is a solid metal.
Neptunium is a solid metal.
Neptunium is an artificial chemical element but neptunium can be found also in the nature as a result of decay processes in uranium ores, only in ultratraces.
All the elements before neptunium are found in the nature. Also neptunium can be found in the nature only in ultratraces resulting from nuclear weapons experiments or other experiments.
Neptunium is a metal element. It is a solid in room temperature. It is in the f block of the Periodic Table.
Neptunium is a solid metal with a metallic appearance.
Neptunium is an artificial chemical element. Neptunium can be found in the nature only in ultratraces resulting from nuclear weapons experiments, radioactive wastes from nuclear reactors or from other experiments. Neptunium is found also in extremely low concentrations in uranium ores.