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20 Σεπ 2022 · Describe the general trend for electron affinity values moving from top to bottom in a group on the periodic table. Why is more energy released in the formation of a halide ion than with other elements?
31 Αυγ 2022 · Learn what electron affinity is, how it measures a neutral atom's ability to gain an electron, and how it varies on the periodic table. See examples, trends, exceptions, and the difference between electron affinity and electronegativity.
30 Ιαν 2023 · Learn the definition, trends and examples of electron affinity, the energy change when an atom gains an electron. Compare the electron affinities of metals and nonmetals, and see how they vary with periodic table position.
Learn what electron affinity is, how it differs from electronegativity and ionization energy, and how it varies across the periodic table. Explore the factors that influence electron affinity, such as atomic size, nuclear charge, shielding and repulsion effects, and see examples and a chart.
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.
30 Ιουν 2023 · Major periodic trends include: electronegativity, ionization energy, electron affinity, atomic radius, melting point, and metallic character. Periodic trends, arising from the arrangement of the periodic table, provide chemists with an invaluable tool to quickly predict an element's properties.
Learn how electron affinity measures the energy released when an electron adds to a gaseous atom and how it varies across the periodic table. Find key questions, definitions, examples, and exceptions to the trends in electron affinity.
