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  2. Tellurium tetrafluoride - Wikipedia

    en.wikipedia.org/wiki/Tellurium_tetrafluoride

    Tellurium tetrafluoride can be prepared by the following reaction: TeO 2 + 2SF 4 → TeF 4 + 2SOF 2. It is also prepared by reacting nitryl fluoride with tellurium or from the elements at 0 °C or by reacting selenium tetrafluoride with tellurium dioxide at 80 °C.

  3. Seesaw molecular geometry - Wikipedia

    en.wikipedia.org/wiki/Seesaw_molecular_geometry

    The seesaw geometry occurs when a molecule has a steric number of 5, with the central atom being bonded to 4 other atoms and 1 lone pair (AX 4 E 1 in AXE notation). An atom bonded to 5 other atoms (and no lone pairs) forms a trigonal bipyramid with two axial and three equatorial positions, but in the seesaw geometry one of the atoms is replaced ...

  4. List of electromagnetism equations - Wikipedia

    en.wikipedia.org/wiki/List_of_electromagnetism...

    Continuous charge distribution. The volume charge density ρ is the amount of charge per unit volume (cube), surface charge density σ is amount per unit surface area (circle) with outward unit normal nĚ‚, d is the dipole moment between two point charges, the volume density of these is the polarization density P.

  5. Chemical polarity - Wikipedia

    en.wikipedia.org/wiki/Chemical_polarity

    Note that the dipole moments drawn in this diagram represent the shift of the valence electrons as the origin of the charge, which is opposite the direction of the actual electric dipole moment. The bond dipole moment [5] uses the idea of electric dipole moment to measure the polarity of a chemical bond within a molecule. It occurs whenever ...

  6. Symmetry of diatomic molecules - Wikipedia

    en.wikipedia.org/wiki/Symmetry_of_diatomic_molecules

    Molecular symmetry in physics and chemistry describes the symmetry present in molecules and the classification of molecules according to their symmetry. Molecular symmetry is a fundamental concept in the application of Quantum Mechanics in physics and chemistry, for example it can be used to predict or explain many of a molecule's properties, such as its dipole moment and its allowed ...

  7. Electric dipole moment - Wikipedia

    en.wikipedia.org/wiki/Electric_dipole_moment

    The electric dipole moment is a measure of the separation of positive and negative electrical charges within a system: that is, a measure of the system's overall polarity. ...

  8. Tetrafluoride - Wikipedia

    en.wikipedia.org/wiki/Tetrafluoride

    Some atoms can form a complex ion with four fluorine atoms which may form compounds containing the term tetrafluoride. Examples include Tetrafluoroaluminate, [AlF 4] −; Tetrafluoroberyllate, [BeF 4] 2−; Tetrafluoroborate, [BF 4] −; Tetrafluoromagnesate, [MgF 4] 2−; Tetrafluoroammonium, [NF 4] +

  9. Pentagonal bipyramid - Wikipedia

    en.wikipedia.org/wiki/Pentagonal_bipyramid

    It is an example of a composite polyhedron because it is constructed by attaching two regular pentagonal pyramids. [ 11 ] [ 2 ] A pentagonal bipyramid's surface area A {\displaystyle A} is 10 times that of all triangles, and its volume V {\displaystyle V} can be ascertained by slicing it into two pentagonal pyramids and adding their volume.