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The first five inization energies of an ...

The first five inization energies of an element are `9.1,16.2,24.5,35` and `205.7eV` respectively then, number of valence electrons in the atom is:

A

2

B

3

C

4

D

5

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The correct Answer is:
C
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GRB PUBLICATION-PERIODIC TABLE-C.Ionisation Energy
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  3. Of the elements given, which has the lowest ionization energy?

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  4. Three elements X , Y and Z have atomic numbers 19 , 37 and 55 respecti...

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  5. Which element has the lowest first ionization energy?

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  6. If we move from centre towards end points through three different path...

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  7. First, second and third I.P. values are 10eV,15eV and 150eV. Element c...

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  8. The third ionisation energy will be maximum for:

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  9. Find the highest ratio of IP values of given pair of elements:

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  10. Given the correct order of initials T (true) of F (false) for followin...

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  11. Which of the following transitions involves maximum amount of energy?

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  12. The first five inization energies of an element are 9.1,16.2,24.5,35 a...

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  13. The incorrect option out of the following is:

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  14. The third ionization energy is least for:

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  15. Ionisation energy is highest for:

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  16. Ionisation energies of CI^(-), CI and CI^(+) are respectively (in kJ/m...

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  17. Which of the following order is correct for indicated property?

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  18. Mg cannot exhibit +3 oxidation state, because its:

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  19. Electronic configuration of valence shell of four elements, A,B,C and ...

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  20. Which of the following order is incorrect?

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