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- Roentgenium abstract "Roentgenium is a chemical element with the symbol Rg and atomic number 111. It is an extremely radioactive synthetic element (an element that can be created in a laboratory but is not found in nature); the most stable known isotope, roentgenium-281, has a half-life of 26 seconds. Roentgenium was first created in 1994 by the GSI Helmholtz Centre for Heavy Ion Research near Darmstadt, Germany. It is named after the physicist Wilhelm Röntgen (also spelled Roentgen).In the periodic table, it is a d-block transactinide element. It is a member of the 7th period and is placed in the group 11 elements, although no chemical experiments have been carried out to confirm that it behaves as the heavier homologue to gold in group 11. Roentgenium is calculated to have similar properties to its lighter homologues, copper, silver, and gold, although it may show some differences from them.".
- Roentgenium thumbnail Roentgen2.jpg?width=300.
- Roentgenium wikiPageExternalLink 111.htm.
- Roentgenium wikiPageID "60088".
- Roentgenium wikiPageRevisionID "604734428".
- Roentgenium hasPhotoCollection Roentgenium.
- Roentgenium subject Category:1994_in_science.
- Roentgenium subject Category:Chemical_elements.
- Roentgenium subject Category:Roentgenium.
- Roentgenium subject Category:Synthetic_elements.
- Roentgenium subject Category:Transition_metals.
- Roentgenium comment "Roentgenium is a chemical element with the symbol Rg and atomic number 111. It is an extremely radioactive synthetic element (an element that can be created in a laboratory but is not found in nature); the most stable known isotope, roentgenium-281, has a half-life of 26 seconds. Roentgenium was first created in 1994 by the GSI Helmholtz Centre for Heavy Ion Research near Darmstadt, Germany.".
- Roentgenium label "Roentgen (pierwiastek)".
- Roentgenium label "Roentgenio".
- Roentgenium label "Roentgenio".
- Roentgenium label "Roentgenium".
- Roentgenium label "Roentgenium".
- Roentgenium label "Roentgenium".
- Roentgenium label "Roentgênio".
- Roentgenium label "Röntgenium".
- Roentgenium label "Рентгений".
- Roentgenium label "رونتجينيوم".
- Roentgenium label "レントゲニウム".
- Roentgenium label "錀".
- Roentgenium sameAs Roentgenium.
- Roentgenium sameAs Roentgenium.
- Roentgenium sameAs Ρεντγκένιο.
- Roentgenium sameAs Roentgenio.
- Roentgenium sameAs Roentgenio.
- Roentgenium sameAs Roentgenium.
- Roentgenium sameAs Roentgenium.
- Roentgenium sameAs Roentgenio.
- Roentgenium sameAs レントゲニウム.
- Roentgenium sameAs 뢴트게늄.
- Roentgenium sameAs Röntgenium.
- Roentgenium sameAs Roentgen_(pierwiastek).
- Roentgenium sameAs Roentgênio.
- Roentgenium sameAs m.025tpyw.
- Roentgenium sameAs Q1272.
- Roentgenium sameAs Q1272.
- Roentgenium wasDerivedFrom Roentgenium?oldid=604734428.
- Roentgenium depiction Roentgen2.jpg.
- Roentgenium isPrimaryTopicOf Roentgenium.