As a radioactive and unstable element roentgenium can be dangerous.
As a radioactive and very unstable element roentgenium can be dangerous.
Roentgenium (also called unununium) is classified in the metals.
It is supposed that the chemical properties of roentgenium are similar to the properties of silver.
The electron configuration of roentgenium is: [Rn]5f14.6d9.7s2.
Roentgenium
Roentgenium is an artificial element, obtained via nuclear reactions in particle accelerators.
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.