Question

Which of the following is true for a sample of isotope containing U²³⁵ and U²³⁸
(a) Number of neutron are same in both
(b) Number of proton, electron and neutron are same in both
(c) Contain same number of protons and electrons but U²³⁸ contains 3 more neutrons than U²³⁵
(d) U²³⁸ contains 3 less neutron then U²³⁵

Answer 1

(c) contain same number of protons and electrons but U238 has 3more neutrons than U235