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Electron affinity is the :...

Electron affinity is the `:`

A

Energy absorbed when an electron is added to an isolated atom in the gaseous state

B

Energy released when an electron is added to an isolated atom in the gasesou state

C

Energy required to take out an electron from an isolated gaseous atom

D

Power of an atom to attract an electron to itself.

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RESONANCE-PERIODIC TABLE & PERIODICITY-Inorganic chemistry (Periodic Table & Periodicity
  1. The ionisation energy of A(g) is similar to in terms of magnitude -

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  2. Which of the following statements is INCORRECT ?

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  3. Electron affinity is the :

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  4. If x,y and z are electronegativity, ionisation potential and electron-...

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  5. Which of the following statements is incorrect ?

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  6. If the same elements is forming oxidation in different oxidation state...

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  7. Which of the following statement is correct ?

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  8. The dominating factor responsible for the decreasing ionisation energi...

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  9. Which of the following order is not correct ?

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  10. The correct of the metallic character is :

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  11. The correct order of the non- metallic character is :

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  12. Which of the following statement is incorrect ?

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  13. Higher values of ionisation energies of the 5d-transition elements are...

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  14. The correct decreasing order of size of a isoelectronic species is -

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  15. Whichone of the following is not the representative element ?

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  16. An element of atomic mass 40 has 2,8,8,2, as the electronic configurat...

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  17. Ionic radil is // are :

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  18. Which of the following is not a correct match ?

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  19. Find the atomic number of element belonging to 4th period and 17th gro...

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  20. Correct order of the property indicated below-

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