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A full valence shell electron configuration is the most stable. Other classes of elements have partially filled valence shells. a stable electron configuration to achieve
They then achieve a stable electron configuration by either gaining or losing electrons. They are capable of creating a stable configuration and an outer shell that is filled by adding or removing an electron. Atomic physics and quantum chemistry both refer to the electron configuration as the configuration of electrons in atomic or molecular orbitals of an atom, molecule, or other physical structure. known as an electron configuration. A single type of atom, each of whose nuclei has the same number of protons, makes up an element, which is a pure substance.
A pure substance known as an element is made up of only one sort of atom, each of whose nuclei contains the identical number of protons. The issue of how conceptually sound the word "element"
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