12/13/2023 0 Comments Oganesson element![]() Electronic affinity: The energy change associated with adding an electron to a neutral atom to form a negative ion.Oxidation number: A positive or negative integer that represents the number of electrons that an atom has gained or lost in a chemical compound.K) at 25 ✬ and 1 at: The ability of a substance to conduct heat, typically given in watts per centimeter per kelvin.K) at 25✬ and 1 at: The amount of heat required to raise the temperature of 1 gram of a substance by 1 degree Celsius at a constant pressure.Fusion enthalpy (kJ/mol): The amount of energy required to convert a substance from a solid to a liquid at a constant temperature.Vaporisation enthalpy (kJ/mol): The amount of energy required to convert a substance from a liquid to a gas at a constant temperature.Electronegativity (Pauling): A measure of an atom's ability to attract electrons in a chemical bond, based on the Pauling scale.Covalent radius (pm): The distance from the center of an atom to the center of another atom with which it is bonded covalently, typically given in picometers (pm).vdW radius (pm): The radius of an atom or molecule as predicted by the van der Waals model, typically given in picometers (pm).Density (g/cm 3): The mass of a substance per unit volume.The abundance of an isotope is the percentage of the isotope in a sample of the element. Isotope ( abundance %): A variant of an element that has the same number of protons in the nucleus, but a different number of neutrons.Earth's crust abundance (ppm): The concentration of an element in the Earth's crust, typically given in parts per million (ppm).Boiling point: The temperature at which a liquid substance turns into a gas.Melting point: The temperature at which a solid substance turns into a liquid.Electron configuration: The arrangement of electrons in an atom or molecule.Natural form: The most stable and abundant form of an element that occurs naturally in the environment.Atomic weight: The average mass of an element's atoms, typically given in atomic mass units (amu).K) at 25 ✬ and 1 at - Oxidation number Electronic affinity (eV) 0.06 1st Ionization energy (eV) Definition of terms in the previous table. ![]()
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