Nuklida · radioaktif
Erbium-157 (¹⁵⁷Er)
Erbium-157 (¹⁵⁷Er) adalah isotop radioaktif erbium dengan 68 proton dan 89 neutron (nomor massa 157). Waktu paruhnya 18,65 menit (± 0,1 menit), meluruh terutama lewat peluruhan beta plus (β⁺).
Data nuklida
- Unsur
- Erbium (Er, Z = 68)
- Nomor massa (A)
- 157
- Proton (Z)
- 68
- Neutron (N)
- 89
- Massa atom
- 156.931922652 ± 0.000028454 u
- Waktu paruh
- 18,65 menit (± 0,1 menit)
- Mode peluruhan
- Peluruhan beta plus (β⁺) ( 100 %)
- Inti anak
- Holmium-157 (¹⁵⁷Ho)
- Tahun penemuan
- 1966
- 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, ¹⁵⁸Er, ¹⁵⁹Er, ¹⁶⁰Er, ¹⁶¹Er, ¹⁶²Er, ¹⁶³Er, ¹⁶⁴Er, ¹⁶⁵Er, ¹⁶⁶Er, ¹⁶⁷Er, ¹⁶⁸Er, ¹⁶⁹Er, ¹⁷⁰Er, ¹⁷¹Er, ¹⁷²Er, ¹⁷³Er, ¹⁷⁴Er, ¹⁷⁵Er, ¹⁷⁶Er, ¹⁷⁷Er, ¹⁷⁸Er, ¹⁷⁹Er, ¹⁸⁰Er