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Distinguish between lanthanoid and actinoids.
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Write four points of distinction between Lanthanoids and Actinoids.
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What is the position of actinoids in periodic table ?
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Choose the most correct option.
In which of the following series all the elements are radioactive in nature?
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Manganese in the +2 oxidation state is more stable than +3 oxidation state where as iron is stable at +3 oxidation state than +2 oxidation state. Explain why?
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Why do actinoids show variable oxidation states?
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What are actinoids? Give their general electronic configuration.
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Choose the most correct option.
Which actinoid, other than uranium, occur in a significant amount naturally?
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Write any two properties of actinides.
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Write any two uses of actinides.
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Write two applications of actinoids.
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The atomic number of transuranium elements starts from _______.
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Define transuranium.
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Write a note on postactinoid elements.
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What are post actinoid elements?
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Write the atomic numbers of transuranium elements.
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