Nuklida · radioaktif
Serium-120 (¹²⁰Ce)
Serium-120 (¹²⁰Ce) adalah isotop radioaktif serium dengan 58 proton dan 62 neutron (nomor massa 120). Waktu paruhnya 250 milidetik, meluruh terutama lewat peluruhan beta plus (β⁺).
Data nuklida
- Unsur
- Serium (Ce, Z = 58)
- Nomor massa (A)
- 120
- Proton (Z)
- 58
- Neutron (N)
- 62
- Massa atom
- 119.946613 ± 0.000537 u
- Waktu paruh
- 250 milidetik
- Mode peluruhan
- Peluruhan beta plus (β⁺), Beta plus diikuti emisi proton
- Inti anak
- Lantanum-120 (¹²⁰La), Barium-119 (¹¹⁹Ba)
- Sumber data
- IAEA Atomic Mass Data Center (NUBASE) and IUPAC CIAAW, via PubChem
Isotop serium lainnya
¹¹⁹Ce, ¹²¹Ce, ¹²²Ce, ¹²³Ce, ¹²⁴Ce, ¹²⁵Ce, ¹²⁶Ce, ¹²⁷Ce, ¹²⁸Ce, ¹²⁹Ce, ¹³⁰Ce, ¹³¹Ce, ¹³²Ce, ¹³³Ce, ¹³⁴Ce, ¹³⁵Ce, ¹³⁶Ce, ¹³⁷Ce, ¹³⁸Ce, ¹³⁹Ce, ¹⁴⁰Ce, ¹⁴¹Ce, ¹⁴²Ce, ¹⁴³Ce, ¹⁴⁴Ce, ¹⁴⁵Ce, ¹⁴⁶Ce, ¹⁴⁷Ce, ¹⁴⁸Ce, ¹⁴⁹Ce, ¹⁵⁰Ce, ¹⁵¹Ce, ¹⁵²Ce, ¹⁵³Ce, ¹⁵⁴Ce, ¹⁵⁵Ce, ¹⁵⁶Ce, ¹⁵⁷Ce, ¹⁵⁸Ce, ¹⁵⁹Ce