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  2. Diborane (4) - Wikipedia

    en.wikipedia.org/wiki/Diborane(4)

    Diborane(4) is a transient inorganic compound with the chemical formula B 2 H 4.Stable derivatives are known. Diborane(4) has been produced by abstraction of two hydrogen atoms from diborane(6) using atomic fluorine and detected by photoionization mass spectrometry. [1]

  3. Styx rule - Wikipedia

    en.wikipedia.org/wiki/Styx_rule

    The styx rule, also known as Lipscomb's styx rule, can be used to calculate the structures of boranes.It was developed by William Lipscomb in 1954. [1] The rule defines boranes to have four types of bonds besides the terminal B-H bonds: [2]

  4. Boranes - Wikipedia

    en.wikipedia.org/wiki/Boranes

    The development of the chemistry of boranes led to innovations in synthetic methods as well as structure and bonding. First, new synthetic techniques were required to handle diborane and many of its derivatives, which are both pyrophoric and volatile.

  5. Diborane - Wikipedia

    en.wikipedia.org/wiki/Diborane

    Diborane(6), commonly known as diborane, is the chemical compound with the formula B 2 H 6.It is a highly toxic, colorless, and pyrophoric gas with a repulsively sweet odor. . Given its simple formula, borane is a fundamental boron compou

  6. Hindenburg Research shorts Roblox, alleging inflated metrics

    www.aol.com/news/hindenburg-research-goes-short...

    This was based on its definition that the metric is not a measure of "unique individuals accessing Roblox", Hindenburg said, adding DAUs could Hindenburg Research shorts Roblox, alleging inflated ...

  7. Roblox - Wikipedia

    en.wikipedia.org/wiki/ROBLOX

    Roblox occasionally hosts real-life and virtual events. They have in the past hosted events such as BloxCon, which was a convention for ordinary players on the platform. [46] Roblox operates annual Easter egg hunts [52] and also hosts an annual event called the "Bloxy Awards", an awards ceremony that also functions as a fundraiser. The 2020 ...

  8. Dianion - Wikipedia

    en.wikipedia.org/wiki/Dianion

    A dianion is an anion with a net charge of −2. While there exist many stable molecular dianions, such as BeF 4 2− and MgF 4 2−, [1] thus far no stable atomic dianion has been found: Electron shielding and other quantum mechanical effects tend to make the addition of another electron to an atomic anion unstable.

  9. Quiz - Wikipedia

    en.wikipedia.org/wiki/Quiz

    A printed quiz on health issues. A quiz is a form of mind sport in which people attempt to answer questions correctly on one or several topics. Quizzes can be used as a brief assessment in education and similar fields to measure growth in knowledge, abilities, and skills, or simply as a hobby.