Iodine-131 is one of the most important isotopes used in the diagnosis of thyroid cancer. One atom has a mass of 130.906 amu. Calculate the binding energy per atom in MeV. 1 amu= 931.5 MeV. Mass of a proton is 1.007825 amu while mass of a neutron is 1.008655 amu.

There is no reason to think the results are biased or not conducted properly but you should not assume the results are correct just because they were done in a laboratory so the answer would be c. it is likely to be reliable because the results support the conclusion presented.

C, small, hard spheres with insignificant volumes