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6

What you have calculated is the energy required to make two separated ions out of two separated $\ce{Na}$ ad $\ce{Cl}$ atoms. When they are separated, these ions do not make a molecule or a crystal of salt. Separated ions attract one another and are able to release a huge amount of Coulomb energy when approaching each other. Anyhow your calculation should ...


-3

Electronegativity can be thought of as a force with which nucleus attracts the electron density , greater the pulling force more is the electronegativity, we know that by columbs law, that the force is proportional to the charge on the nucleus and the electron,and the distance between the nucleus and the valence electrons, ie the radii of the atom , ...


1

Electronegativity is defined for an atom in a molecule. It directly means that we talk about electronegativity of chlorine we are talking about its behaviour with respect to its molecules in general. As I understand what you are trying to compare looks more like comparing Electron Affinity (or Electron Gain Enthalpy), which is different from ...


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