Roentgenium-273

Properties and data of the isotope ²⁷³Rg.

Content

General data

Name of the isotope:Roentgenium-273; Rg-273Symbol:²⁷³Rg or 273111RgMass number A:273 (= number of nucleons)Atomic number Z:111 (= number of protons)Neutrons N:162Mass defect:275.272294944 u (per nucleus)Nuclear binding energy:256414.49110657 MeV (per nucleus)
939.24722017 MeV (average binding energy per nucleon)Half-life:- unknown -Spin and parity:
(nuclear angular momentum)

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 162) and isobaric (same nucleon number A = 273) with Roentgenium-273. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

OZ	Isotone N = 162	Isobar A = 273
103	²⁶⁵Lr
104	²⁶⁶Rf
105	²⁶⁷Db
106	²⁶⁸Sg
107	²⁶⁹Bh	²⁷³Bh
108	²⁷⁰Hs	²⁷³Hs
109	²⁷¹Mt	²⁷³Mt
110	²⁷²Ds	²⁷³Ds
111	²⁷³Rg	²⁷³Rg