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Lanthanides and actinides belong to blo...

Lanthanides and actinides belong to ___________ block of the periodic table.

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Why are lanthanides and actinides place at the bottom of the periodic table?

d-block elements belong to __________periods of the periodic table.

CENGAGE CHEMISTRY-APPENDIX - INORGANIC VOLUME 1-Exercise very short
  1. Why fluorine has lesser electron gain enthalpy than chlorine?

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  2. Isoelectronic species have the same number of .

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  3. Lanthanides and actinides belong to block of the periodic table.

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  4. Generally, the atomic size along a period gradually decreases due to i...

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  5. The formula for fluoride of carbon is .

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

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

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

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  9. Second period ends with .

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  10. The first transition series is called transition series.

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  11. Why do alkali metals have lowest ionisation energy?

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

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

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  14. Why are cations smaller than neutral atom?

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  15. Why are anions bigger than neutral atom?

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

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

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

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  19. Electronegativity

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

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