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ATOMIC STRUCTURE (QUIZ-4)

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The first use of quantum theory to explain the structure of atom was made by

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All nuclides exhibit radioactivity when the atomic number exceeds

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When a radioactive substance is subjected to a vacuum, the rate of disintegration per second

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Which of the following orbitals does not have the angular node?

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Which of the following does not characterize 𝑋-rays?

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