Statement 1: Isotopes of a particular element have nearly identical chemical behavior.
Statement 2: They have identical electron configurations.

Statement 1 and Statement 2 are correct and Statement 2 is the correct explanation of Statement 1.

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Both the Statement 1 and Statement 2 are correct, but Statement 2 is NOT the correct explanation of Statement 1.

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Statement 1 is correct, but Statement 2 is not correct.

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Statement 1 is not correct, but Statement 2 is correct.

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Solution

The correct option is D Statement 1 and Statement 2 are correct and Statement 2 is the correct explanation of Statement 1.
The isotopes have same number of protons and electrons, hence their configuration of electrons is same. This imparts almost same properties to the isotopes and hence have nearly identical properties. Thus answer is option A.

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Statement 1: Isotopes of a particular element have nearly identical chemical behavior.Statement 2: They have identical electron configurations.

Statement 1: Isotopes of a particular element have nearly identical chemical behavior.
Statement 2: They have identical electron configurations.