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The first four ionization energy values ...

The first four ionization energy values of an element are 191, 578, 872 and 5962 kcal/mol. The number of valence electrons in the element is

A

1

B

2

C

3

D

4

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VMC MODULES ENGLISH-PERIODIC PROPERTIES OF ELEMENTS -In Chapter Exercise-C
  1. Ionisation enthalpy of nitrogen is more than oxygen because of

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  2. The first ionization enthalpies of Na,Mg,Al and Si are in the order

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  3. The first ionisation potential (in eV ) of Be and B, respactively are

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  4. A to A^(+) +e^(-), E(1) and A^(+) to A^(2+) +e^(-), E(2). The energy r...

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  5. The first four ionization energy values of an element are 191, 578, 87...

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  6. Which one of the following elements has the highest ionisation energy?

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  7. Which is the correct order of the first ionization potential of N, O a...

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  8. Which of the following electrons should generally have the highest val...

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  9. Arrange S, P and As in order of increasing ionisation energy.

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  10. In view of their low ionisation energies, the alkali metals are

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  11. Ionisation enthalpy of nitrogen is more than oxygen because of

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  12. The first ionisation enthalpies of Na, Mg , Al and Si are the order

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  13. The first ionisation potential (in eV ) of Be and B, respactively are

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  14. A to A^(+) +e^(-), E(1) and A^(+) to A^(2+) +e^(-), E(2). The energy r...

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  15. The first four ionization energy values of an element are 191, 578, 87...

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  16. Which one of the following elements has the highest ionisation ennergy...

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  17. Which is the correct order of the first ionization potential of N, O a...

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  18. Which of the following electrons should generally have the highest val...

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  19. Arrange S, P and As in order of increasing ionisation energy.

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  20. In view of their low ionisation energies, the alkali metals are

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