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  2. Polyatomic ion - Wikipedia

    en.wikipedia.org/wiki/Polyatomic_ion

    Polyatomic ions often are useful in the context of acid–base chemistry and in the formation of salts. Often, a polyatomic ion can be considered as the conjugate acid or base of a neutral molecule. For example, the conjugate base of sulfuric acid (H 2 SO 4) is the polyatomic hydrogen sulfate anion (HSO − 4).

  3. IUPAC nomenclature of inorganic chemistry - Wikipedia

    en.wikipedia.org/wiki/IUPAC_nomenclature_of...

    An ionic compound is named by its cation followed by its anion. See polyatomic ion for a list of possible ions. For cations that take on multiple charges, the charge is written using Roman numerals in parentheses immediately following the element name. For example, Cu(NO 3) 2 is copper(II) nitrate, because the charge of two nitrate ions (NO −

  4. Oxycation - Wikipedia

    en.wikipedia.org/wiki/Oxycation

    Toggle the table of contents. ... Download as PDF; Printable version ... an oxycation is a polyatomic ion with a positive charge that contains oxygen.They usually end ...

  5. Pentazenium - Wikipedia

    en.wikipedia.org/wiki/Pentazenium

    In chemistry, the pentazenium cation (also known as pentanitrogen) is a positively-charged polyatomic ion with the chemical formula N + 5 and structure N−N−N−N−N.Together with solid nitrogen polymers and the azide anion, it is one of only three poly-nitrogen species obtained in bulk quantities.

  6. Quaternary ammonium cation - Wikipedia

    en.wikipedia.org/wiki/Quaternary_ammonium_cation

    Quaternary ammonium cation. The R groups may be the same or different alkyl or aryl groups. Also, the R groups may be connected. In organic chemistry, quaternary ammonium cations, also known as quats, are positively-charged polyatomic ions of the structure [NR 4] +, where R is an alkyl group, an aryl group [1] or organyl group.

  7. Polyhalogen ions - Wikipedia

    en.wikipedia.org/wiki/Polyhalogen_ions

    Polyhalogen ions are a group of polyatomic cations and anions containing halogens only. The ions can be classified into two classes, isopolyhalogen ions which contain one type of halogen only, and heteropolyhalogen ions with more than one type of halogen.

  8. Iodate - Wikipedia

    en.wikipedia.org/wiki/Iodate

    An iodate is the polyatomic anion with the formula IO − 3. It is the most common form of iodine in nature, as it comprises the major iodine-containing ores. [1] Iodate salts are often colorless. They are the salts of iodic acid.

  9. Charge number - Wikipedia

    en.wikipedia.org/wiki/Charge_number

    A chemical charge can be found by using the periodic table. An element's placement on the periodic table indicates whether its chemical charge is negative or positive. Looking at the table, one can see that the positive charges are on the left side of the table and the negative charges are on the right side of the table.