JEE Main Chemistry question

Chemistry Structure of Atom JEE Main

**Statement 1:** Isobars are identical in chemical properties. **Statement 2:** Isobars have the same mass number (total number of nucleons) but different atomic numbers (number of protons).

(A)Assertion is True, Reason is True; Reason is correct explanation for Assertion
(B)Assertion is True, Reason is True; Reason is not correct explanation for Assertion
(C)Assertion is True, Reason is False
(D)Assertion is False, Reason is TrueCorrect

Answer: (D)

Solution

Isobars are atoms of different elements that share the same mass number () but have different atomic numbers (), making Statement 2 true. Because chemical properties are governed by

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Question ID VK-132326