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Among the elements B, Al, C and Si. a. ...

Among the elements `B`, `Al`, `C` and `Si`.
a. Which has the highest first ionization enthalpy?
b. Which has most negative electron gain enthalpy?
c. Which has the largest atomic radius?
d. Which has the most metallic character?

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a. Carbon b. carbon c. Al d. A1
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V PUBLICATION-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES-QUESTION BANK
  1. The first ionization enthalpy (IE) of the third period elements 'Na, M...

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  2. Show by a chemical reaction with water that 'Na2 O' is a basic oxide a...

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  3. Among the elements B, Al, C and Si. a. Which has the highest first io...

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  4. Electron gain enthalphy is the amount of energy involved when an isola...

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  5. Do elements with high I.E. have E.A.?

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  6. Why does the first ionization enthalpy increase as we go from to acr...

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  7. How does covalent radius vary across a period?

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  8. Electronic configuration of a few etements are given below. Identify t...

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  9. Match the following '(##VPUHSSCHEXIC03E02016Q01##)'

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  10. Based on the long form of periodic table match the following: '(##VPU...

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  11. Development of priodic table have made the study of elements and their...

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  12. Account for the following: Ionisation enthalphy of nitrogen is greater...

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  13. Ionisation is the removal of electron from an.atom. What is ionisation...

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  14. Name a +ve ion which is isolectronic with 'F-'.

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  15. In periodic table '3^(rd) ' period contains eight and not eighteen ele...

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  16. A graph is given below. Analyse the graph and answer the questions. a....

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  17. A group of ions are given below: Na^+, Al^3+, O^2-, Ca^2+, Mg^2+, ...

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  18. Nitrogen has the electronic configuration '1 s^2 2 s^2 px^1 2 py^1 2 p...

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  19. The electron gain enthalpy values of halogens become more negative in ...

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  20. Choose the electronic configurations that are possible from among the ...

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