All factors of electronic gain enthalpy …
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Posted by Azra Parveen Parveen 5 years, 1 month ago
- 4 answers
Yogita Ingle 5 years, 1 month ago
Electron gain enthalpy of an element is the energy released when a neutral isolated gaseous atom accepts an extra electron to form the gaseous negative Ion i.e. anion. We can denote it by Δ egH. Greater the amount of energy released in the above process, higher is the electron gain enthalpy of the element.
- Energy is released when an electron is added to the atom. Therefore, the electron gain enthalpy is negative.
- The electron gain enthalpy for halogens is highly negative because they can acquire the nearest stable noble gas configuration by accepting an extra electron.
- Noble gases have large positive electron gain enthalpy. This is because the extra electron is placed in the next higher principal quantum energy levels. Thus, a highly unstable electronic configuration is produced.
Dεερακ Ȿιηɠꜧ 5 years, 1 month ago
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Namit K 5 years, 1 month ago
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