Nuklida · radioaktif
Prometium-149 (¹⁴⁹Pm)
Prometium-149 (¹⁴⁹Pm) adalah isotop radioaktif prometium dengan 61 proton dan 88 neutron (nomor massa 149). Waktu paruhnya 53,08 jam (± 0,05 jam), meluruh terutama lewat peluruhan beta minus (β⁻).
Data nuklida
- Nomor massa (A)
- 149
- Proton (Z)
- 61
- Neutron (N)
- 88
- Massa atom
- 148.918341507 ± 0.000002344 u
- Waktu paruh
- 53,08 jam (± 0,05 jam)
- Mode peluruhan
- Peluruhan beta minus (β⁻) ( 100 %)
- Inti anak
- Samarium-149 (¹⁴⁹Sm)
- Tahun penemuan
- 1947
- Sumber data
- IAEA Atomic Mass Data Center (NUBASE) and IUPAC CIAAW, via PubChem
Isotop prometium lainnya
¹²⁶Pm, ¹²⁷Pm, ¹²⁸Pm, ¹²⁹Pm, ¹³⁰Pm, ¹³¹Pm, ¹³²Pm, ¹³³Pm, ¹³⁴Pm, ¹³⁵Pm, ¹³⁶Pm, ¹³⁷Pm, ¹³⁸Pm, ¹³⁹Pm, ¹⁴⁰Pm, ¹⁴¹Pm, ¹⁴²Pm, ¹⁴³Pm, ¹⁴⁴Pm, ¹⁴⁵Pm, ¹⁴⁶Pm, ¹⁴⁷Pm, ¹⁴⁸Pm, ¹⁵⁰Pm, ¹⁵¹Pm, ¹⁵²Pm, ¹⁵³Pm, ¹⁵⁴Pm, ¹⁵⁵Pm, ¹⁵⁶Pm, ¹⁵⁷Pm, ¹⁵⁸Pm, ¹⁵⁹Pm, ¹⁶⁰Pm, ¹⁶¹Pm, ¹⁶²Pm, ¹⁶³Pm, ¹⁶⁴Pm, ¹⁶⁵Pm