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Which actinoid, other than uranium, occu...

Which actinoid, other than uranium, occur in significant amount naturally?

A

Thorium

B

Actinium

C

Protactinium

D

Plutonium

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CHETANA PUBLICATION-Transition and Inner Transition Elements-EXERCISE
  1. In which of the following series all the elements are radioactive in n...

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  2. Which of the following sets of ions contain only paramagnetic ions

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  3. Which actinoid, other than uranium, occur in significant amount natura...

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  4. The flux added during extraction of Iron from heamatite are its? Silic...

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  5. Which of the following exhibits the largest number of oxidation states...

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  6. Which of the following has all of its electrons paired?Cr2+,Mn2+,Cu1+,...

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  7. Which of the following has the highest I.E.?Ti,Mn,Fe,Ni

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  8. Which of the following has largest atomic radius?Mn,Cr,Ti,Co

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  9. Which of the following has the lowest melting point?V,Cr,Fe,Mn

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  10. Which of the following has the highest magnetic moment?

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  11. The electronic configuration of copper is

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  12. Which of the following ions does not give coloured solution?

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  13. Which of the following ions has the highest magnetic moment?

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  14. Which of the following is paramagnetic?

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  15. Which of the following does not belong to group 10?

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  16. The stable oxidation state of cerium is

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  17. The highest oxidation state shown by mangenee in its compounds is

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  18. Which of the following has maximum number of unpaired electrons?

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  19. Which of the following elements belong to the second transition Mo,W,C...

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  20. Which of the following ions are white?

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