Extinct isotopes of superheavy elements
Identification and discovery

Extinct isotopes of superheavy elements

Section Title: Identification and discovery
Table Section Text: None

Radionuclide	Half-life (years)	Method of Decay	Decay Products

244Pu	8.00×107	α decay, spontaneous fission	232Th, 131-136Xe

146Sm	6.80×107	α decay	142Nd

129I	1.57×107	β- decay	129Xe

247Cm	1.56×107	α decay	235U

182Hf	8.90×106	β- decay	182W

107Pd	6.5×106	β- decay	107Ag

53Mn	3.74×106	electron capture	53Cr

60Fe	2.62×106	β- decay	60Ni

26Al	7.17×105	β+ decay, electron capture	26Mg

Sentence(s)

Plutonium-244 is one of extinct radionuclides.

final_sentence: Plutonium-244 is one of extinct radionuclides.