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  2. Water model - Wikipedia

    en.wikipedia.org/wiki/Water_model

    The charged sites may be on the atoms or on dummy sites (such as lone pairs). In most water models, the Lennard-Jones term applies only to the interaction between the oxygen atoms. The figure below shows the general shape of the 3- to 6-site water models. The exact geometric parameters (the OH distance and the HOH angle) vary depending on the ...

  3. Sodium fluorosilicate - Wikipedia

    en.wikipedia.org/wiki/Sodium_fluorosilicate

    Sodium fluorosilicate is used in some countries as additives for water fluoridation, opal glass raw material, ore refining, or other fluoride chemical (like sodium fluoride, magnesium silicofluoride, cryolite, aluminum fluoride) production. [5] It also is an ingredient in some ceramic cements.

  4. List of two-dimensional geometric shapes - Wikipedia

    en.wikipedia.org/wiki/List_of_two-dimensional...

    This is a list of two-dimensional geometric shapes in Euclidean and other geometries. For mathematical objects in more dimensions, see list of mathematical shapes. For a broader scope, see list of shapes.

  5. Structural formula - Wikipedia

    en.wikipedia.org/wiki/Structural_formula

    Skeletal structural formula of Vitamin B 12.Many organic molecules are too complicated to be specified by a molecular formula.. The structural formula of a chemical compound is a graphic representation of the molecular structure (determined by structural chemistry methods), showing how the atoms are connected to one another. [1]

  6. Sodium silicate - Wikipedia

    en.wikipedia.org/wiki/Sodium_silicate

    Sodium silicate is also the technical and common name for a mixture of such compounds, chiefly the metasilicate, also called waterglass, water glass, or liquid glass. The product has a wide variety of uses, including the formulation of cements , coatings, passive fire protection , textile and lumber processing, manufacture of refractory ...

  7. Silicon tetrafluoride - Wikipedia

    en.wikipedia.org/wiki/Silicon_tetrafluoride

    Silicon tetrafluoride or tetrafluorosilane is a chemical compound with the formula Si F 4.This colorless gas is notable for having a narrow liquid range: its boiling point is only 4 °C above its melting point.

  8. Phosphidosilicates - Wikipedia

    en.wikipedia.org/wiki/Phosphidosilicates

    formula name crystal system space group unit cell Å form MW density properties references Li 2 SiP 2: tetragonal: I4 1 /acd: a=12.111 Å, c=18.658 Å, Z=32 V=2732.6 4 SiP 4 tetrahedra are linked together to form a supertetrahedron. Supertetrahedrons are linked together by corner sharing. 103.91 2.02 [2] [3] LiSi 2 P 3: I4 1 /a: a=18.4757 Å, c ...

  9. Analcime - Wikipedia

    en.wikipedia.org/wiki/Analcime

    The mineral is weakly piezoelectric and pyroelectric, meaning it produces a weak electric charge when it's rubbed or heated, hence the name analcime. [3] Other characteristics include the fact that the mineral can have a blueish white fluorescence when inspected under short UV light, and a creamy white-yellow one inspected under long UV light.