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The half-life of uranium-239 is 23.45 minutes.
Half life is the time taken for half the atoms to decay. Whatever mass you start with, if it is a sample consisting of one pure uranium isotope, you will have half that mass of uranium after one half life. The piece of metal will not weigh half of the original mass, because the decay products will be there. In practice, a piece of uranium usually consists of a mixture of isotopes with different half lives.
700 million years
The resulting isotope is uranium 239 with a half life of 23.5 minutes (beta desintegration).
Uranium has a high half-life, so it changes very quickly.
someone
Probably Wyoming
Arizona
I think it's Uranium.
There is no isotope of Uranium 206 - Uranium 217 is the lightest.
Uranium is a radioactive element and conteneously disintegrate into smaller element, that time in which 1g of uranium becomes half g is known as half life period of uranium.
Uranium has a half life of 5,600 years. After that period, one half of the uranium becomes lead. That is why lead is found in uranium deposits.
Each isotope of uranium has its half life. See the link below.
703, 800,000
Pu-239 has a half-life of 24,110 years.
If you think to uranium 235 the half life is 703 800 000 years.
The approximate half life of Uranium 238 is 4.5 x 109 years.