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The electron affinity is the potential energy change of the atom when an electron is added to a neutral gaseous atom to form a negative ion. So the more negative the electron affinity the more favourable the electron addition process is.
31 Αυγ 2022 · Electron affinity (Eea) is the energy change when an electron is added to a neutral atom in the gas phase. In simple terms, it is a measure of a neutral atom’s ability to gain an electron. The gas phase atom is used (rather than liquid or solid) because the atom’s energy levels aren’t influenced by neighboring atoms.
Describe the factors affecting electron affinity and trends within groups. Learn more. Use our revision notes to define electron affinity for A Level chemistry.
20 Σεπ 2022 · Electron affinity is a measure of the energy released when an extra electron is added to an atom. Electron affinities are measured in the gaseous state. In general, electron affinities become more negative as we move from left to right on the periodic table.
Learn all about electron affinity, including it's definition, periodic table trends & charts, exceptions and influencial factors
30 Ιαν 2023 · Electron affinity is defined as the change in energy (in kJ/mole) of a neutral atom (in the gaseous phase) when an electron is added to the atom to form a negative ion. In other words, the neutral atom's likelihood of gaining an electron.
Watch a video explaining how electron affinity varies across the periodic table and why it matters for chemistry. Khan Academy offers free, high-quality education for anyone, anywhere.
