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The electronic configuration of Re^(3+) ...

The electronic configuration of `Re^(3+)` is `(Xe)4f^(14)5d^(4)`, the number of unpaired electrons in this ion is ____________.

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CENGAGE CHEMISTRY-APPENDIX - INORGANIC VOLUME 1-Exercise very short
  1. The formula for fluoride of carbon is .

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  2. The solubility of alkali metal carbonateas one goes down the group.

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  3. The electronic configuration of Re^(3+) is (Xe)4f^(14)5d^(4), the numb...

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  4. Lother Meyer atttempts to classify the elements by plotting graph betw...

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  5. Second period ends with .

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  6. The first transition series is called transition series.

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  7. Why do alkali metals have lowest ionisation energy?

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  8. Why are lanthanides and actinides place at the bottom of the periodic ...

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  9. How do the basicity and solubility in water vary from Be(OH)(2) to Ba(...

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  10. Why are cations smaller than neutral atom?

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  11. Why are anions bigger than neutral atom?

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  12. Which is the smallest among Na^(o+),Mg^(2+),Al^(3+), and why?

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  13. Which has the largest ionic radius Ca^(2+),Mg^(2+),Ba^(2+)?

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  14. Define (a) metallic radius and (b) van der Waals radius.

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  15. Electronegativity

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  16. How does electronegativity move (a) down the group and (b) across the ...

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  17. Write general electronic configuration of p-block elements.

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  18. What is the nature of oxides formed by most of p-block elements?

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  19. Indentify the atom or ion which has larger radius in each of the follo...

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  20. Among the elements , Li, K, Ca, Cl and Kr, the element K has the lowes...

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