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Fill up the gaps: Uranium is an element ...

Fill up the gaps: Uranium is an element of__________series.

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ASSAM ACADEMIC CENTRE-The d and f-block elements-Example
  1. What are transition elements? Give the general electronic configuratio...

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  2. What are transition elements? Give the general electronic configuratio...

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  3. Fill up the gaps: Uranium is an element ofseries.

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  4. Fill up the gaps: The compoundis known as philosopher's wool.

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  5. In the transition series with an increase in atomic number the atomic ...

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  6. Give reasons: Why is first ionization enthalpy of Cu is higher than th...

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  7. Why is the third ionization energy of manganese (at no 25) unexpectedl...

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  8. Name one ore of Manganese and Chromium.

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  9. Transition metel compounds are generally coloured. Why?

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  10. Give reasons: Why is HCl not used to acidify a permanganate solution i...

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  11. Why is copper sulphate pentahydrate coloured?

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  12. Why Zn, Cd and Hg are not regarded as transition element?

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  13. Write three general chracteristics of transition elements.

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  14. Why do transition elements show variable oxidation state?

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  15. What is spin only formula for calculation of magnetic moment? Calculat...

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  16. Write the method of preparation of potassium dichromate.

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  17. How potassium permanganate is prepared in the laboratory?

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  18. The electronic configuration of valence shell of Cr in the ground stat...

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  19. Both Cu and Zn have completely filled 3d atomic orbital. Cu is conside...

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  20. Cu, Ag and Au have completely filled d-orbitals yet they are regarded ...

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