Natural Uranium, as found on Earth, consists of two isotopes in the ratio of: 0.7% If these two isotopes existed in equa
Posted: Sun May 22, 2022 9:41 am
Natural Uranium, as found on Earth, consists of two isotopes in the ratio of: 0.7% If these two isotopes existed in equal amounts at the time Earth was formed; what is the age of the Earth? Half-life times: 92 235 U = 0.71 x 100 years 238 U = 4.52 x 10 years