Which sublevel begins to fill with transition elements? I don't think my guess is worthy of being posted Transition elements are in the d level.

35,197 results

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  45. Math: Equivalence Classes

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  46. English for john browm

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  47. computer science C++

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  50. Science

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  85. Chemistry

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  86. chemistry

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  88. science/chem

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  96. FSU

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  97. chemistry

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  120. Adv. Chem

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  122. chemistry

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  123. Physics

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  125. Biochem

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