1/2 (50%) of them.
238
190 and 238
The Least Common Multiple (LCM) for 119 and 238 is 238.
238 238
The half life of neptunium-238 is 2,117 days.
The approximate half life of Uranium 238 is 4.5 x 109 years.
U-238 is not fissionable.
The half-life of the isotope uranium-238 is 4 468 000 000 years.
The half-life of 238U is 4.468x109 years.
200 + 30 + 8 = 238
This is an alpha decay.The half-life of uranium-238 is 4,468.10ex.9 years.
The half-life of 238U is 4,468x109 years.
4.47 billion years
703, 800,000
The half life of 238U is 4,468.109 years; this is a very long halflife !
Alpha disintegration: (4,470 ± 0,020) 109 years Spontaneous fission: (8,20 ± 0,10) 1015 years