Nuklida · radioaktif
Erbium-172 (¹⁷²Er)
Erbium-172 (¹⁷²Er) adalah isotop radioaktif erbium dengan 68 proton dan 104 neutron (nomor massa 172). Waktu paruhnya 49,3 jam (± 0,5 jam), meluruh terutama lewat peluruhan beta minus (β⁻).
Data nuklida
- Unsur
- Erbium (Er, Z = 68)
- Nomor massa (A)
- 172
- Proton (Z)
- 68
- Neutron (N)
- 104
- Massa atom
- 171.939363461 ± 0.000004253 u
- Waktu paruh
- 49,3 jam (± 0,5 jam)
- Mode peluruhan
- Peluruhan beta minus (β⁻) ( 100 %)
- Inti anak
- Tulium-172 (¹⁷²Tm)
- Tahun penemuan
- 1956
- Sumber data
- IAEA Atomic Mass Data Center (NUBASE) and IUPAC CIAAW, via PubChem
Isotop erbium lainnya
¹⁴²Er, ¹⁴³Er, ¹⁴⁴Er, ¹⁴⁵Er, ¹⁴⁶Er, ¹⁴⁷Er, ¹⁴⁸Er, ¹⁴⁹Er, ¹⁵⁰Er, ¹⁵¹Er, ¹⁵²Er, ¹⁵³Er, ¹⁵⁴Er, ¹⁵⁵Er, ¹⁵⁶Er, ¹⁵⁷Er, ¹⁵⁸Er, ¹⁵⁹Er, ¹⁶⁰Er, ¹⁶¹Er, ¹⁶²Er, ¹⁶³Er, ¹⁶⁴Er, ¹⁶⁵Er, ¹⁶⁶Er, ¹⁶⁷Er, ¹⁶⁸Er, ¹⁶⁹Er, ¹⁷⁰Er, ¹⁷¹Er, ¹⁷³Er, ¹⁷⁴Er, ¹⁷⁵Er, ¹⁷⁶Er, ¹⁷⁷Er, ¹⁷⁸Er, ¹⁷⁹Er, ¹⁸⁰Er