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As suggested by the existence of hydrates, anhydrous MgCl 2 is a Lewis acid, although a weak one. One derivative is tetraethylammonium tetrachloromagnesate [N(CH 2 CH 3) 4] 2 [MgCl 4]. The adduct MgCl 2 is another. [9] In the coordination polymer with the formula MgCl 2 2, Mg adopts an octahedral geometry. [10]
[1] [2] [3] Introduced by Gilbert N. Lewis in his 1916 article The Atom and the Molecule, a Lewis structure can be drawn for any covalently bonded molecule, as well as coordination compounds. [4] Lewis structures extend the concept of the electron dot diagram by adding lines between atoms to represent shared pairs in a chemical bond.
The quadrupole-quadrupole interactions between the naphthalene molecules partially guide the organization of the crystal lattice structure. [24] (a) A lewis dot structure artificially colored to provide a qualitative map of where the partial charges exist for the quadrupole. A 3D representation of naphthalene molecules and quadrupole.
High School Chemistry/Lewis Electron Dot Diagrams; Usage on ja.wikipedia.org
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The number of electron pairs in the valence shell of a central atom is determined after drawing the Lewis structure of the molecule, and expanding it to show all bonding groups and lone pairs of electrons. [1]: 410–417 In VSEPR theory, a double bond or triple bond is treated as a single bonding group. [1]
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