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RossAn isolated gaseous atom is used as a reference point for defining ionization enthalpy because it represents a system where the electron being removed is not influenced by any external factors. This allows for a precise measurement of the energy required to remove an electron from the atom, known as the ionization enthalpy.
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What is meant by isolated gaseous atom and why this term is used in case of ionization energy?
An isolated gaseous atom refers to an atom that is not bonded to any other atoms and is in a gaseous state. This term is used in the context of ionization energy because when an atom is in this state, it requires a specific amount of energy to remove an electron from it, which is known as the ionization energy. The energy needed to remove the electron is a measure of how tightly the electron is bound to the atom.
Who isolated sulfur?
Sulfur was isolated by Antoine Lavoisier and Joseph Gay-Lussac in 1777.
What rocks are copper isolated from?
Copper is primarily isolated from copper ores such as chalcopyrite, bornite, and chalcocite. These ores are typically found in igneous and sedimentary rocks, as well as in hydrothermal veins. Copper can also be found in some metamorphic rocks.
Who discovered phosphorus?
Johann Brandt discovered phosphorus in 1669. He isolated the element from human urine.
Who first isolated fluorine?
Fluorine was first isolated by Henri Moissan in 1886 through the electrolysis of a mixture of potassium fluoride and hydrogen fluoride.
