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  2. Cyanogen - Wikipedia

    en.wikipedia.org/wiki/Cyanogen

    Cyanogen is the chemical compound with the formula (C N) 2. The simplest stable carbon nitride, it is a colorless and highly toxic gas with a pungent odor. The molecule is a pseudohalogen. Cyanogen molecules consist of two CN groups ‒ analogous to diatomic halogen molecules, such as Cl 2, but far less oxidizing.

  3. Lists of molecules - Wikipedia

    en.wikipedia.org/wiki/Lists_of_molecules

    This is an index of lists of molecules (i.e. by year, number of atoms, etc.). Millions of molecules have existed in the universe since before the formation of Earth. Three of them, carbon dioxide, water and oxygen were necessary for the growth of life.

  4. Empirical formula - Wikipedia

    en.wikipedia.org/wiki/Empirical_formula

    Glucose (C 6 H 12 O 6), ribose (C 5 H 10 O 5), Acetic acid (C 2 H 4 O 2), and formaldehyde (CH 2 O) all have different molecular formulas but the same empirical formula: CH 2 O.This is the actual molecular formula for formaldehyde, but acetic acid has double the number of atoms, ribose has five times the number of atoms, and glucose has six times the number of atoms.

  5. Cyanogen fluoride - Wikipedia

    en.wikipedia.org/wiki/Cyanogen_fluoride

    Cyanogen fluoride (FCN) is a toxic, colorless gas. [3] The linear molecule has a molecular mass of 45.015 gmol −1. [3] [5] Cyanogen fluoride has a boiling point of –46.2 °C and a melting point of –82 °C.

  6. CN2 - Wikipedia

    en.wikipedia.org/wiki/CN2

    Cyanogen, molecular formula (CN) 2; cn|2, a weather, sports and political news cable channel owned by Time Warner Cable in former Insight Communications territories; Optic nerve (CN2), second cranial nerve; Cartoon Network Too, a defunct British channel owned by The WB. ChinaNet Next Carrying Network, one type of the Internet routes provided by ...

  7. Chemical formula - Wikipedia

    en.wikipedia.org/wiki/Chemical_formula

    An example of the difference is the empirical formula for glucose, which is CH 2 O (ratio 1:2:1), while its molecular formula is C 6 H 12 O 6 (number of atoms 6:12:6). For water, both formulae are H 2 O. A molecular formula provides more information about a molecule than its empirical formula, but is more difficult to establish.

  8. Carbon–nitrogen bond - Wikipedia

    en.wikipedia.org/wiki/Carbon–nitrogen_bond

    A carbon–nitrogen bond is a covalent bond between carbon and nitrogen and is one of the most abundant bonds in organic chemistry and biochemistry. [1]Nitrogen has five valence electrons and in simple amines it is trivalent, with the two remaining electrons forming a lone pair.

  9. Effective atomic number (compounds and mixtures) - Wikipedia

    en.wikipedia.org/wiki/Effective_atomic_number...

    The exponent of 2.94 relates to an empirical formula for the photoelectric process which incorporates a ‘constant’ of 2.64 × 10 −26, which is in fact not a constant but rather a function of the photon energy.