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Ensampel a |
Elven gymyk, elven synthesek ![]() |
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Klass |
alkan tremenyans ![]() |
Dydhyas diskudhans |
Gortheren 1974 ![]() |
Niver atomek |
106 ![]() |
Aray an elektrons |
[Rn] 5f¹⁴ 6d⁴ 7s² ![]() |
Rann a |
bagas 6, period 7 ![]() |
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Elven gemyk synthetek ew seaborgiom, niver 106 e'n Vosen Beriodek. Y arwodh ew Sg. An hanow a enor Glenn T Seaborg (1912-1999), kemygydh nuklerek amerikanek, neb a dhiskudhas deg elven dreus-uranik, ha kawas an Pewas Nobel rag Kemygieth en 1951.
Elven pur radyoweythresek ew, gen pymthek isotop, 14 mynysen ew an hanter-bewnans hirra, gen seaborgiom-269. Diskudhys veu en 1974 gen dew vagas a skiensydhyon, bagas sovietek en Dubna, Russi ha bagas amerikanek en Universita Kaliforni, Berkeley.