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Among Li,Na,K,Rb,Cs, the element with th...

Among `Li`,`Na`,`K`,`Rb`,`Cs`, the element with the lowest ionisation energy is __________.

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Cs has the lowest ionisation energy.
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CENGAGE CHEMISTRY ENGLISH-APPENDIX - INORGANIC VOLUME 1-Exercise very short
  1. Among (the non-radioactive) halogens the element that has the lowest e...

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  2. Name the radioactive element of group 17 and group 18 .

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  3. Among Li,Na,K,Rb,Cs, the element with the lowest ionisation energy is ...

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  4. Electron Gain Enthalpy

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  5. Generally electron gain enthalpy on going down a group, and on going...

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  6. Why is the second electron gain enthalpy negative (i.e. energy is abs...

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  7. Give reasons for the following : Fluorine has lower electron gain en...

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  8. Isoelectronic species have the same number of .

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

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

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  11. The formula for fluoride of carbon is .

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

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

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  14. Lather Meyer drew a graph showing the relation between atomic "" and ...

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  15. Second period ends with .

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  16. The first transition series is called transition series.

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  17. Alkali metals have low ionisation energy. Why is it so?

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  18. Why lanthanides and actinides have been placed separately in the perio...

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  19. Why does the solubility of alkaline earth metal hydroxides in water in...

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  20. Explain : Cation has smaller size than neutral atom. ……………………………...

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