Symbol: Rg

Atomic Number: 111

Atomic Weight: (280.16)

Roentgenium (atomic number 111, symbol Rg) is a chemical element named after Noble Prize winner Wilhelm Roentgen who was the first to produce X-rays electromagnetic radiation.

Isotopes and Predicted Properties
Little is known about Roentgenium, but it is predicted that its properties resemble that of other noble metals. The group of noble metals includes elements such as gold, ruthenium, platinum, iridium, silver, and others. Some researchers predict that the element's properties are similar to that of gold. Gold is a noble metal with a purple, yellow, ruby, or black color and is ductile and malleable. It forms acids and chlorides...Read More