Roentgenium has no uses.
Any food has roentgenium.
Roentgenium has no uses.
Roentgenium has no uses.
Roentgenium is a solid metal.
Any roentgenium exist in foods.
Roentgenium is a transition metal.
Roentgenium is not a commercial product.
Roentgenium is a solid metal.
Roentgenium hasn't practical uses.
Roentgenium has 111 electrons.
Roentgenium is a solid.