Roentgenium
111
Rg
Groep
11
Periode
7
Blok
d
Protrone
Elektrone
Neutrone
111
111
170
Algemene Eienskappe
Atoom Nommer
111
Atoommassa
[281]
Massa Nommer
281
Kategorie
Oorgangsmetale
Kleur
n/a
Radioaktief
Ja
Named after Wilhelm Conrad Röntgen, the German physicist
Kristalstruktuur
n/a
Geskiendenis
Roentgenium was first synthesized by an international team led by Sigurd Hofmann at the Institute for Heavy Ion Research (Gesellschaft für Schwerionenforschung) in Darmstadt, Germany in 1994.
The team bombarded a target of bismuth-209 with accelerated nuclei of nickel-64 and detected a single atom of the isotope roentgenium-272.
The team bombarded a target of bismuth-209 with accelerated nuclei of nickel-64 and detected a single atom of the isotope roentgenium-272.
Elektrone per skil
2, 8, 18, 32, 32, 17, 2
Elektronkonfigurasie
[Rn] 5f14 6d9 7s2
Roentgenium has no stable or naturally-occurring isotopes
Fisiese Eienskappe
Fase
Soliede
Digtheid
- g/cm3
Smeltpunt
-
Kookpunt
-
Smeltwarmte
n/a kJ/mol
Verdampingswarmte
n/a kJ/mol
Spesifieke Hitte Kapasiteit
- J/g·K
Oorvloed in die aardkors
n/a
Oorvloed in die heelal
n/a
Beeld Krediete: Wikimedia Commons (Commander-pirx)
Die element is ontdek by die Instituut vir Swaar Ioon Navorsing in Darmstadt, Duitsland
CAS Nommer
54386-24-2
PubChem CID Nommer
n/a
Atomiese Eienskappe
Atoom radius
-
Kovalente Radius
121 pm
Elektronegatiewiteit
-
Ionisasie potensiaal
-
Atoom volume
-
Termiese geleidingsvermoë
-
Oksidasiestate
-1, 1, 3, 5
Toepassings
Roentgenium is used for scientific research purposes only.
Roentgenium is harmful due to its radioactivity
Isotope
Stabiele Isotope
-Onstabiele Isotope
272Rg, 273Rg, 274Rg, 275Rg, 276Rg, 277Rg, 278Rg, 279Rg, 280Rg, 281Rg, 282Rg, 283Rg