Roentgenium Element in Periodic Table | Atomic Number Atomic Mass

Roentgenium Element:

Roentgenium is a chemical element and it is a member of group 11 and period 7 and it is a d-block transctinide element in the periodic table. The atomic number of Roentgenium is 111 and it is indicated by symbol is Rg.Rg is a radioactive synthetic element that can be created in a laboratory. Rg is not found in nature. It is calculated to have similar properties to its lighter homologues, silver, gold and copper. Rg has no stable or naturally occurring isotopes. Several radioactive isotopes have been synthesized in the laboratory. ²⁸²Rg is the most stable isotope, has a half-life of 2.1 minutes.

Uses Of Roentgenium Element:

• It is used only for research.

Roentgenium Element Information:

Discovery year:1994

Discovered by:Gesellschaft für Schwerionenforschung

Atomic number: 111

Relative atomic mass: [280] 

Electron configuration: [Rn] 5f¹⁴ 6d⁹ 7s²

Block: d-block

Other elements in the same block:

Scandium, Titanium, Vanadium, Chromium, Manganese, Iron, Cobalt, Nickel, Copper, Zinc, Yttrium, Zirconium, Niobium, Molybdenum, Technetium, Ruthenium, Rhodium, Palladium, Silver, Cadmium, Lanthanum,  Hafnium, Tantalum, Tungsten, Rhenium, Osmium, Iridium, Platinum, Gold, Mercury, Actinium, Rutherfordium, Dubnium, Seaborgium, Bohrium, Hassium, Meitnerium, Darmstadtium and Copernicium are the elements in the same block.

Period: period 7

Other elements in the same period:

Francium, Radium, Actinium, Thorium, Protactinium, Uranium, Neptunium, Plutonium, Americium, Curium, Berkelium, Californium, Einsteinium, Fermium, Mendelevium, Nobelium, Lawrencium, Rutherfordium, Dubnium, Seaborgium, Bohrium, Hassium, Meitnerium, Darmstadtium, Copernicium, Nihonium, Flerovium, Moscovium, Livermorium, Tennessine and Oganesson.

Group: group 11

Other elements in the same group:

Copper, Silver and Gold are the same group elements.

Other elements in the same orbital:

Rutherfordium, Dubnium, Seaborgium, Bohrium, Hassium, Meitnerium, Darmstadtium, and Copernicium are the elements in the same orbital.

Allotropes: none

Key isotopes: ²⁸⁰Rg 

Melting point: unknown

Boiling point: unknown

Element category: unknown chemical properties

Density (g cm⁻³): 28.7

CAS number: 54386-24-2

Color: silvery

You can know detailed information for each element,

Hydrogen, Helium, LithiumBeryllium, Boron, Carbon, Nitrogen, Oxygen, Fluorine,  Neon , Sodium, Magnesium, Aluminium, Silicon, Phosphorus, Sulfur, Chlorine, Argon, Potassium, Calcium, Scandium, Titanium, Vanadium, Chromium, Manganese, Iron, Cobalt, Nickel, Copper, Zinc, Gallium, Germanium, Arsenic, Selenium, Bromine, Krypton,  Rubidium, Strontium, Yttrium, Zirconium, Niobium, Molybdenum, Technetium, Ruthenium, Rhodium, Palladium, Silver, Cadmium, Indium, Tin, Antimony, Tellurium, Iodine, Xenon,  Caesium, Barium, Lanthanum,  Cerium, Praseodymium, Neodymium, Promethium, Samarium, Europium, Gadolinium, Terbium, Dysprosium, Holmium, Erbium, Thulium, Ytterbium, Lutetium, Hafnium, Tantalum, Tungsten, Rhenium, Osmium, Iridium, Platinum, Gold, Mercury, Thallium, Lead, Bismuth, Polonium, Astatine, Radon,  Francium, Radium, Actinium, Thorium, Protactinium, Uranium, Neptunium, Plutonium, Americium, Curium, Berkelium, Californium, Einsteinium, Fermium, Mendelevium, Nobelium, Lawrencium, Rutherfordium, Dubnium, Seaborgium, Bohrium, Hassium, Meitnerium, Darmstadtium, Roentgenium, Copernicium, Nihonium, Flerovium, Moscovium, Livermorium, Tennessine, Oganesson.