Webthe periodic trend for electron affinity values is not as consistent as for the other trends. Which statement best describes the trend? ... 2Na + Br2 → 2NaBrBromine is a diatomic … WebElectron affinity value measured by unit eV per atom or kJ mol −1. The periodic table trend of EA is affected mostly by the atomic size, ... The elements of the second period are relatively smaller in size than the third-period elements. But the electron affinities values of the second-period elements are smaller than the third-period ...
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Web5.54 x 10^18 photon/s. Pieces of potassium (Φ = 3.68 ×× 10-19 J) and sodium (Φ = 4.41 ×× 10-19 J) metal are exposed to radiation of wavelength 370.0 nm. - Which metal emits … WebSep 20, 2024 · Electron Affinity. In most cases, the formation of an anion by the addition of an electron to a neutral atom releases energy. This can be shown for the chloride ion formation below: Cl + e − → Cl − + energy. The energy change that occurs when a neutral atom gains an electron is called its electron affinity. When energy is released in a ... supplements to increase vegf
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Webelements and reactions, group VII elements and reactions, halogens and compounds, ionic bonds, melting points of ... lattice energy, ion polarization, lattice energy value, atomization and electron affinity, Born Haber cycle, and enthalpy changes in solution. Practice "Moles and Equations MCQ" PDF book with answers, test 19 to solve WebThe electron affinity of an element is the energy given off when a neutral atom in the gas phase gains an extra electron to form a negatively charged ion. A fluorine atom in the gas phase, for example, gives off energy when it gains … WebApr 7, 2024 · Hence the sign of Electron Affinity (E EA) will be negative. For neutral process (i.e when energy is neither absorbed nor released), the value of Electron Affinity (E EA) will be zero. More the positive values … supplements to increase white blood cells