Question

H and D isotopes of hydrogen form H2O and D20 with oxygen. Which of the following you
think right for the above observation.
(A)H and D have same number of protons
(B) H and D have same no. Of neutrons
(C) A and D have same no. Of electrons
(D) H and D have same mass number.​

Answer 1

Answer:

(A)H and D have same number of protons