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Electronegativity of an element is the a...

Electronegativity of an element is the average of its ionisation energy and electron affinity according to

A

Pauling

B

Rutherford

C

Bohr

D

Mulliken

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The correct Answer is:
D
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Electron affinity is

Define ionisation enthalpy and electron affinity.

The concept of electronegativity (EN) is mainly to discuss the nature of chemical bonding, EN of an atom is the measure of its capacity to attract the shared electron pair towards itself. Linus Pauling compiled the values of EN that are most widely used, and that are displayed for a few elements in Table - 1. These values are based on bond energy differences between atoms bonded to themselves (e.g. A-A) and to other atoms (e.g. A-B), and an arbitary value of 4 to fluorine (most electronegative element) Mulliken regarded electronegativity as the average value of ionization energy and electron affinity of an atom EN= 1/2 (IE+EA). Both IE and EA are expressed in electron volts. In the Table-2, values of IE and EA for several elements are listed Table-3 shows the values of dipole moments and bond energies for simple molecules. Which of the following best describes the relationship of electronegativity, bond energy moment in a diatomic molecule ?

The concept of electronegativity (EN) is mainly to discuss the nature of chemical bonding, EN of an atom is the measure of its capacity to attract the shared electron pair towards itself. Linus Pauling compiled the values of EN that are most widely used, and that are displayed for a few elements in Table - 1. These values are based on bond energy differences between atoms bonded to themselves (e.g. A-A) and to other atoms (e.g. A-B), and an arbitary value of 4 to fluorine (most electronegative element) Mulliken regarded electronegativity as the average value of ionization energy and electron affinity of an atom EN= 1/2 (IE+EA). Both IE and EA are expressed in electron volts. In the Table-2, values of IE and EA for several elements are listed Table-3 shows the values of dipole moments and bond energies for simple molecules. Based upon the electronegativity difference of bonded atoms, which of the following about the chemical bond?

Electron affinity involves :

Configuration of the element with the highest ionisation energy is

Electron affinity is measured in

The most electronegative element is

AAKASH SERIES-PERIODIC PROPERTIES-LEVEL -I (EAMCET) EXERCISE -III
  1. Electron affinity is

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  2. The property of an element that is not normals determined directly but...

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  3. Electron affinity is measured in

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  4. Which of the following is an endothermic process?

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  5. In a period from left to right, electron affinity

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  6. Configuration that shows the highest energy released when an electron ...

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  7. Electron affinity of Fluorine is less than that of Chlorine because

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  8. Among chalcogens electron affinity is highest for

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  9. The element with highest electron affinity is

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  10. Incorrect statement is

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  11. Pauling's electronegativity is based on

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  12. Pauling's electronegativity values for elements are useful in predicti...

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  13. Correct relation among XA, XB, and Delta, where XA, and XB are the ele...

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  14. Reference element for Pauling's electronegativity is

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  15. Electronegativity of an element is the average of its ionisation energ...

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  16. The electronegativity values according to Mulliken scale are times t...

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  17. Electronegativity on Mulliken scale is limited to

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  18. If I and E are ionisation energy and electron affinity of an element i...

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  19. In a period electronegativity is highest for

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  20. The values that are useful in writing chemical formulae and in calcula...

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