23 An archaeological sample contains 0 700 g of lead 206 and

Last updated: 5/6/2023

23 An archaeological sample contains 0 700 g of lead 206 and 2 144 g of uranium 238 Assume that all the lead now present in the rock came from the radioactive decay of the uranium and that no appreciable amounts of other radioactive nuclides are present in the sample The decay rate constant for the uranium is 1 54 x 10 10 year What is the age of the sample 5 points a 8 41 x 10 years b 9 03 x 10 years c 2 08 x 10 years d 6 33 x 10 years e None of these are correct