Nuklida · stabil · alami
Serium-140 (¹⁴⁰Ce)
Serium-140 (¹⁴⁰Ce) adalah isotop stabil serium dengan 58 proton dan 82 neutron (nomor massa 140). Kelimpahan alaminya 0.884 50(51).
Data nuklida
- Unsur
- Serium (Ce, Z = 58)
- Nomor massa (A)
- 140
- Proton (Z)
- 58
- Neutron (N)
- 82
- Massa atom
- 139.905448433 ± 0.000001409 u
- Waktu paruh
- Stabil
- Mode peluruhan
- Tidak meluruh
- Kelimpahan alami
- 0.884 50(51)
- Tahun penemuan
- 1925
- Sumber data
- IAEA Atomic Mass Data Center (NUBASE) and IUPAC CIAAW, via PubChem
Isotop serium lainnya
¹¹⁹Ce, ¹²⁰Ce, ¹²¹Ce, ¹²²Ce, ¹²³Ce, ¹²⁴Ce, ¹²⁵Ce, ¹²⁶Ce, ¹²⁷Ce, ¹²⁸Ce, ¹²⁹Ce, ¹³⁰Ce, ¹³¹Ce, ¹³²Ce, ¹³³Ce, ¹³⁴Ce, ¹³⁵Ce, ¹³⁶Ce, ¹³⁷Ce, ¹³⁸Ce, ¹³⁹Ce, ¹⁴¹Ce, ¹⁴²Ce, ¹⁴³Ce, ¹⁴⁴Ce, ¹⁴⁵Ce, ¹⁴⁶Ce, ¹⁴⁷Ce, ¹⁴⁸Ce, ¹⁴⁹Ce, ¹⁵⁰Ce, ¹⁵¹Ce, ¹⁵²Ce, ¹⁵³Ce, ¹⁵⁴Ce, ¹⁵⁵Ce, ¹⁵⁶Ce, ¹⁵⁷Ce, ¹⁵⁸Ce, ¹⁵⁹Ce