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  1. affinity noun af· fin· i· ty ə-ˈfin-ət-ē plural affinities 1 : relationship by marriage 2 a : a feeling of closeness or sympathy because of shared interests b : attraction especially : an attractive force between substances or particles that causes them to enter into and remain in chemical combination Medical Definition affinity noun

  2. Aug 28, 2022 · Electron affinity can be defined as the energy required when an electron is removed from a gaseous anion. The reaction as shown in equation 2.3.2.1 is endothermic (positive Δ U) for elements except noble gases and alkaline earth metals. Under this definition, the more positive the EA value, the higher an atom's affinity for electrons.

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    • What Is Electron Affinity?
    • Table of Content
    • Periodic Trends
    • Factors Affecting Electron Affinity
    • Electron Affinity of Halogens

    Electron affinity is defined as The electron affinity is the potential energy change of the atom when an electron is added to a neutral gaseous atomto form a negative ion. So the more negative the electron affinity the more favourable the electron addition process is. Not all elements form stable negative ions in which case the electron affinity is...

    The amount of energy released when an electron is added to a neutral atom to form an anion is called electron affinity. Electron affinities are difficult to measure. 1. Electron affinity increases going left to right across a period because of increased nuclear attraction. 2. Going down the group the electron affinity should decreasesince the elect...

    The general factors that affect electron affinity are listed below. 1. Electronaffinity=1AtomicSize 2. Electronaffinity=EffectiveNuclearCharge 3. Electronaffinity=1ScreeningEffect 4. Reactivityofnon−metals=Electronaffinity 5. Oxidisingpowerofelement=Electronaffinity 1. Atomic size:If the atomic size is small, then there will be greater electron gai...

    Ionization potential is the energy required to remove an electron from a gaseous atom. Energy is supplied for removing an electron implies that energy will be released if an extra electron is added to the atom. The amount of energy released when a neutral atom in its gaseous state accepts an electron and gets converted into a negatively charged ion...

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  4. Jan 22, 2023 · The electron affinity is further discussed below: First Electron Affinity Negative energy because energy is released. X (g) + e- —> X⁻ (g) Second Electron Affinity: Positive energy because the energy needed is more than gained. X⁻ (g) + e- —> X²⁻ (g) First Electron Affinity: The energies are always concerned by the formation of positive ions.

  5. The electron affinity, E ea, is the change in energy when an electron is added to an isolated atom in the gaseous phase. We have seen that ionization energies are always positive, but electron affinities are generally negative for many atoms, because energy is released when an electron is added. The more negative the electron affinity, the ...

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