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How does ionisation energy vary (a) down...

How does ionisation energy vary (a) down the group and (b) along the period from left to right?

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Ionisation energy decreases down the group because atomic size increases.
Ionisation energy increases along the period from left to right.
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CENGAGE CHEMISTRY ENGLISH-APPENDIX - INORGANIC VOLUME 1-Exercise very short
  1. Why do noble gases have comparatively large atomic sizes?

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  2. Define ionisation energy . What is its value for a hydrogen atom ?

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  3. How does ionisation energy vary (a) down the group and (b) along the p...

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  4. A and B belong to same group of periodic table. A has higher atomic nu...

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  5. The problem of position of isotopes in the periodic table was avoide...

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  6. Two different elements may have same mass number but not the same .

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  7. When compared to lithium, it is easier to remove valence electron from...

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  8. Chlorine has more electron affinity than fluorine.

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  9. Among (the non-radioactive) halogens the element that has the lowest e...

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

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

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  12. Electron Gain Enthalpy

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

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

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

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  16. Isoelectronic species have the same number of .

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

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

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  19. The formula for fluoride of carbon is .

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

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