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Properties, physical and chemical property are considered as a key to understanding chemical elements (atom, molecule), substances, or matter present in our earth environment in science. The appearance, color, order, atomic and molecular weight, and density, etc are considered as the fundamental physical properties of atoms and molecules but chemical properties include ionization energy, electron affinity, hydration enthalpy, electronegativity, chemical bonding, etc. In learning chemistry, we discuss some topics related to the physical and chemical properties of atom, molecules, or compounds.
Define electron affinity measurement and affinities trends of periodic table chemical elements

Electron Affinity

Electron Affinity in Periodic Table Electron affinity (EA) or electron gain enthalpy or simply affinity in the periodic table define as the amount of energy...