The composition of two atomic particles is given below:
(i) What is the mass number of X?
(ii) What is the mass number of Y?
(iii) What is the relation between X and Y?
(iv) Which element/elements do they represent?
(i) The mass number of X is (8+8) = 16.
(ii) The mass number of Y is (8+9) = 17.
(iii) The relation between X and Y is, both are isotopes.
(iv) Both the element X and Y represents the oxygen.
60