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Naming Inorganic Compounds

Naming Inorganic Compounds. Positive ions (cations) Cations formed from metal atoms have the same name as the metal. Na + sodium ion Zn 2+ zinc ion. Naming Inorganic Compounds. Positive ions (cations) If the metal can form ions with more than one charge, the charge is in ( ).

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Naming Inorganic Compounds

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  1. Naming Inorganic Compounds Positive ions (cations) Cations formed from metal atoms have the same name as the metal. Na+ sodium ion Zn2+ zinc ion

  2. Naming Inorganic Compounds Positive ions (cations) If the metal can form ions with more than one charge, the charge is in ( ). Co+ cobalt() Co2+ cobalt()

  3. Naming Inorganic Compounds metal names Lower charge gets the ous Higher charge gets the ic Fe2+ = Fe(II) = Ferrous FeCl2 = ferrous chloride Fe3+ = Fe(III) = Ferric FeCl3 = ferric chloride Cu+ = Cu(I) = cuprous CuBr = cuprous bromide Cu2+ = Cu(II) = cupric CuBr2 = cupric bromide Hg+ = Hg(I) = Mercurous HgI = mercurous iodide Hg2+ = Hg(II) = Mercuric HgI2 = mercuric iodide

  4. Naming Inorganic Compounds Positive ions (cations) Follow the poly atomic ion list for others

  5. Naming Inorganic Compounds Negative ions (anions) Monotomic anions – drop the ending of the name and add –ide. H- hydride O2- oxide Br- bromide Follow the polyatomic ion list for others.

  6. Naming Inorganic Compounds Ionic compounds Name the cation followed by the anion CaCl2 calcium chloride Al2O3 aluminum oxide

  7. Naming Inorganic Compounds Binary molecular compounds (covalent compounds) • The name of the element farthest to the left in the table is written first. • If in the same group, the lower one is named first • The second element is given the ide ending • Greek prefixes are used to indicate the number of each atom.

  8. Standard prefixes 1 mono 6 hexa 2 Di 7 hepta 3 tri 8 octa 4 tetra 9 nona 5 penta 10 deca

  9. Naming Inorganic Compounds Naming Acids If the acid has no oxygen then simply add hydro as prefix and ic acid as suffix

  10. Naming Inorganic Compounds Naming Acids If the acid contains oxygen use ic acid if the anion ends in ate and use ous acid if the anion ends in ite.

  11. Naming Inorganic Compounds Naming Acids If the acid contains oxygen If the acid has one less O than the ite ion then uses hypo….ousacid If it has one more O than the ate ion then use per….ic acid.

  12. Naming Inorganic Compounds Naming Acids ClO- hypochlorite ion HClO hypochlorous acid ClO2- chlorite ion HClO2 chlorous acid ClO3- chlorate ion HClO3 chloric acid ClO4- Perchlorate ion HClO4 perchloroic acid

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