Question

In a sample of ethyl ethanoate the two oxygen atoms have the same number of electrons but different number of neutrons. Which of the following is the correct reason for it?
(A) One of the oxygen atoms has gained electrons.
(B) One of the oxygen atoms has gained two neutrons.
(C) The two oxygen atoms are isotopes.
(D) The two oxygen atoms are isobars.​

Answer 1

one of the oxygen atom has gained to any drones neutrons