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Why do noble gases have comparatively la...

Why do noble gases have comparatively large atomic sizes?

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Noble gases have bigger atomic size than halogens because van de Waals radii are bigger than covalent radii.
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CENGAGE CHEMISTRY ENGLISH-APPENDIX - INORGANIC VOLUME 1-Exercise very short
  1. How do atomic radius vary in a period and in a group? How do you expla...

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  2. Define (a) ionic radii and (b) covalent radii.

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  3. Why do noble gases have comparatively large atomic sizes?

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

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

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

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

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

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

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  10. Chlorine has more electron affinity than fluorine.

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

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

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

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  14. Electron Gain Enthalpy

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

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

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

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  18. Isoelectronic species have the same number of .

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

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

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