Americium-249

Properties and data of the isotope ²⁴⁹Am.

Content

General data

Name of the isotope:Americium-249; Am-249Symbol:²⁴⁹Am or 24995AmMass number A:249 (= number of nucleons)Atomic number Z:95 (= number of protons)Neutrons N:154Mass defect:251.077775104 u (per nucleus)Nuclear binding energy:233877.44104273 MeV (per nucleus)
939.2668315 MeV (average binding energy per nucleon)Half-life:- ungelistet -Spin and parity:
(nuclear angular momentum)

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 154) and isobaric (same nucleon number A = 249) with Americium-249. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

OZ	Isotone N = 154	Isobar A = 249
95	²⁴⁹Am	²⁴⁹Am
96	²⁵⁰Cm	²⁴⁹Cm
97	²⁵¹Bk	²⁴⁹Bk
98	²⁵²Cf	²⁴⁹Cf
99	²⁵³Es	²⁴⁹Es
100	²⁵⁴Fm	²⁴⁹Fm
101	²⁵⁵Md	²⁴⁹Md
102	²⁵⁶No
103	²⁵⁷Lr
104	²⁵⁸Rf
105	²⁵⁹Db
106	²⁶⁰Sg
107	²⁶¹Bh