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  2. Silylidyne - Wikipedia

    en.wikipedia.org/wiki/Silylidyne

    As a surface layer, silicon hydrides form when the silicon is cleaned with hydrofluoric acid. These hydrides decompose to SiH when heated to 750 K. [ 2 ] Other ways to coat a silicon surface in hydrogen is via reaction with atomic hydrogen , or hot silane . [ 3 ]

  3. Wikipedia:Database download - Wikipedia

    en.wikipedia.org/wiki/Wikipedia:Database_download

    It is best to use a download manager such as GetRight so you can resume downloading the file even if your computer crashes or is shut down during the download. Download XAMPPLITE from (you must get the 1.5.0 version for it to work). Make sure to pick the file whose filename ends with .exe

  4. Allotropes of silicon - Wikipedia

    en.wikipedia.org/wiki/Allotropes_of_silicon

    Si 24 is an orthorhombic crystalline Si allotrope.It was first synthesized in 2014. [5] [6] Creating the allotrope involved forming Na4 Si 24, a polycrystalline compound with help from a tantalum capsule, high temperature, and a 1,500 ton multi-anvil press that gradually reached a pressure of 10 gigapascals (1,500,000 psi).

  5. Binary silicon-hydrogen compounds - Wikipedia

    en.wikipedia.org/wiki/Binary_silicon-hydrogen...

    Silanes are saturated chemical compounds with the empirical formula Si x H y. They are hydrosilanes, a class of compounds that includes compounds with Si−H and other Si−X bonds. All contain tetrahedral silicon and terminal hydrides. They only have Si−H and SiSi single bonds. The bond lengths are 146.0 pm for a Si−H bond and 233 pm ...

  6. Silicon compounds - Wikipedia

    en.wikipedia.org/wiki/Silicon_compounds

    Silicon compounds are compounds containing the element silicon (Si). As a carbon group element, silicon often forms compounds in the +4 oxidation state, though many unusual compounds have been discovered that differ from expectations based on its valence electrons, including the silicides and some silanes.

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  8. International System of Units - Wikipedia

    en.wikipedia.org/wiki/International_System_of_Units

    The International System of Units, internationally known by the abbreviation SI (from French Système international d'unités), is the modern form of the metric system and the world's most widely used system of measurement. It is the only system of measurement with official status in nearly every country in the world, employed in science ...

  9. SI base unit - Wikipedia

    en.wikipedia.org/wiki/SI_base_unit

    The SI base units form a set of mutually independent dimensions as required by dimensional analysis commonly employed in science and technology. [citation needed] The names and symbols of SI base units are written in lowercase, except the symbols of those named after a person, which are written with an initial capital letter.