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  2. Oxyanion - Wikipedia

    en.wikipedia.org/wiki/Oxyanion

    The same structure occurs in so-called meta-vanadates, such as ammonium metavanadate, NH 4 VO 3. The formula of the oxyanion SiO 2− 3 is obtained as follows: each nominal silicon ion (Si 4+) is attached to two nominal oxide ions (O 2−) and has a half share in two others. Thus the stoichiometry and charge are given by:

  3. Oxide - Wikipedia

    en.wikipedia.org/wiki/Oxide

    An oxide (/ ˈ ɒ k s aɪ d /) is a chemical compound containing at least one oxygen atom and one other element [1] in its chemical formula. "Oxide" itself is the dianion (anion bearing a net charge of –2) of oxygen, an O 2– ion with oxygen in the oxidation state of −2. Most of the Earth's crust consists of oxides. Even materials ...

  4. Oxocarbon - Wikipedia

    en.wikipedia.org/wiki/Oxocarbon

    Normally, carbon is tetravalent, while oxygen is divalent, and in most oxocarbons (as in most other carbon compounds) each carbon atom may be bound to four other atoms, while oxygen may be bound to at most two. Moreover, while carbon can connect to other carbons to form arbitrarily large chains or networks, chains of three or more oxygens are ...

  5. Oxocarbon anion - Wikipedia

    en.wikipedia.org/wiki/Oxocarbon_anion

    In chemistry, an oxocarbon anion is a negative ion consisting solely of carbon and oxygen atoms, and therefore having the general formula C x O n− y for some integers x, y, and n. The most common oxocarbon anions are carbonate, CO 2− 3, and oxalate, C 2 O 2− 4. There are however a large number of stable anions in this class, including ...

  6. Carbon dioxide - Wikipedia

    en.wikipedia.org/wiki/Carbon_dioxide

    The critical point is 304.128(15) K [2] (30.978(15) °C) at 7.3773(30) MPa [2] (72.808(30) atm). Another form of solid carbon dioxide observed at high pressure is an amorphous glass-like solid. [28] This form of glass, called carbonia, is produced by supercooling heated CO 2 at extreme pressures (40–48 GPa, or about 400,000 atmospheres) in a ...

  7. Oxidation state - Wikipedia

    en.wikipedia.org/wiki/Oxidation_state

    A key step is drawing the Lewis structure of the molecule (neutral, cationic, anionic): Atom symbols are arranged so that pairs of atoms can be joined by single two-electron bonds as in the molecule (a sort of "skeletal" structure), and the remaining valence electrons are distributed such that sp atoms obtain an octet (duet for hydrogen) with a ...

  8. Molecular orbital diagram - Wikipedia

    en.wikipedia.org/wiki/Molecular_orbital_diagram

    Carbon dioxide, CO 2, is a linear molecule with a total of sixteen bonding electrons in its valence shell. Carbon is the central atom of the molecule and a principal axis, the z-axis, is visualized as a single axis that goes through the center of carbon and the two oxygens atoms.

  9. Carbon–oxygen bond - Wikipedia

    en.wikipedia.org/wiki/Carbon–oxygen_bond

    A carbon–oxygen bond is a polar covalent bond between atoms of carbon and oxygen. [ 1 ] [ 2 ] [ 3 ] : 16–22 Carbon–oxygen bonds are found in many inorganic compounds such as carbon oxides and oxohalides , carbonates and metal carbonyls , [ 4 ] and in organic compounds such as alcohols , ethers , and carbonyl compounds .