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 gaseous 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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Similar Questions

Which of the following transformations requires the least amount of energy?

Column-$I$ shows the electronic configuration of some elements and Column-$II$ shows the values of electron gain enthalpy. Match these values correctly. Match the electronic configuration with the electron gain enthalpy.
Column-$I$ Electronic Configuration Column-$II$ Electron Gain Enthalpy / $kJ \ mol^{-1}$
$(A) \ 1s^2 2s^2 2p^6$ $(1) -53$
$(B) \ 1s^2 2s^2 2p^6 3s^1$ $(2) -328$
$(C) \ 1s^2 2s^2 2p^5$ $(3) -141$
$(D) \ 1s^2 2s^2 2p^4$ $(4) +53$

The electron affinity of sulfur is........

Identify the element having positive electron gain enthalpy.

Correct order of electron affinity for $C$,$Si$,and $Ge$ is

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