Consider the following statements and identify the correct option: Statement I: Lithium, Sodium, and Rubidium are elements of Dobereiner's triad. Statement II: In Dobereiner's triads, the atomic mass of the middle element was roughly the average of the atomic masses of the other two elements.

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Chemistry · Periodic Classification of Elements

Verified Solution4 OptionsUpdated: October 2026👁️1 View

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Correct answer

Statement II is correct, Statement I is incorrect.

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Answer 1

Both statements are correct.

Answer 2

Both statements are incorrect.

Answer 3

Statement II is correct, Statement I is incorrect.

Answer 4

Statement I is correct, Statement II is incorrect.

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