MHT CET Chemistry question

Two atoms are said to be isobars, if

(A)they have same atomic number but different mass number
(B)they have same number of electrons but different number of neutrons
(C)they have same number of neutrons but different number of electrons
(D)sum of the number of protons and neutrons is same but the number of protons is differentCorrect

Answer: (D)

Solution

Isobars have the same mass number (protons + neutrons) but different atomic numbers; (a) describes isotopes,

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Question ID VK-060486