tetrahedral element - traducción al ruso
Inverted tetrahedral geometry; Tetrahedral geometry; Tetrahedral complex ion; Tetahedral molecular geometry; Tetrahedral coordination geometry; Examples of tetrahedral structures; Tetrahedral molecule; Tetrahedrally; Tetrahedral complex
![Ga2Cl6}} ("[[gallium trichloride]]").](https://commons.wikimedia.org/wiki/Special:FilePath/Gallium-trichloride-from-xtal-2004-3D-balls.png?width=200 "Ga2Cl6}} (\"[[gallium trichloride]]\").")
![<!-- specify width as minus sign vanishes at most sizes --> Calculating bond angles of a symmetrical tetrahedral molecule using a [[dot product]]](https://commons.wikimedia.org/wiki/Special:FilePath/Tetrahedral angle calculation.svg?width=200 "<!-- specify width as minus sign vanishes at most sizes --> Calculating bond angles of a symmetrical tetrahedral molecule using a [[dot product]]")
tetrahedral element
математика
тетраэдральный элемент
set membership
ANY ONE OF THE DISTINCT OBJECTS THAT MAKE UP A SET IN SET THEORY
Element (math); Element (set theory); ∈; ∉; Element (set); Set membership; ∋; Set element; Element (statistics); In (set); Element (group theory); Membership (set theory); ∊; ∍; ∌; Belongs to; Membership relation; Element of; /in
математика
принадлежность множеству
tetrahedral group
![volleyball]] have pyritohedral symmetry](https://commons.wikimedia.org/wiki/Special:FilePath/Volleyball seams diagram.png?width=200 "volleyball]] have pyritohedral symmetry")
3D SYMMETRY GROUP
Tetrahedral group; Pyritohedral; Pyritohedral symmetry; Full tetrahedral symmetry; Achiral tetrahedral symmetry; Chiral tetrahedral symmetry; 332 symmetry; Pyritohedral group
общая лексика
группа тетраэдра
Wikipedia
Tetrahedral molecular geometry
In a tetrahedral molecular geometry, a central atom is located at the center with four substituents that are located at the corners of a tetrahedron. The bond angles are cos−1(−1⁄3) = 109.4712206...° ≈ 109.5° when all four substituents are the same, as in methane (CH4) as well as its heavier analogues. Methane and other perfectly symmetrical tetrahedral molecules belong to point group Td, but most tetrahedral molecules have lower symmetry. Tetrahedral molecules can be chiral.
