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Lone Pairs
Pairs of valence electrons on an atom that are not shared with another atom and do not participate in bonding.
Electron Density
A measure of the probability of electron presence at a specific location around the nucleus of an atom or within a molecule, often visualized in electron density maps.
Orbitals
Mathematical functions describing the regions of space around an atom where electrons are likely to be found.
Spherical Symmetry
A form of symmetry where an object appears the same from any point of view, characteristic of some molecules.
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