Atoms, Molecules, and Ions © 2009, Prentice-Hall, Inc. Ionic Bonds Ionic compounds (such as NaCl) are generally formed between metals and nonmetals.

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Atoms, Molecules, and Ions © 2009, Prentice-Hall, Inc. Ionic Bonds Ionic compounds (such as NaCl) are generally formed between metals and nonmetals.

Atoms, Molecules, and Ions © 2009, Prentice-Hall, Inc. Nomenclature of Binary Compounds The less electronegative atom is usually listed first. A prefix is used to denote the number of atoms of each element in the compound (mono- is not used on the first element listed, however).

Atoms, Molecules, and Ions © 2009, Prentice-Hall, Inc. Nomenclature of Binary Compounds The ending on the more electronegative element is changed to -ide. –CO 2 : carbon dioxide –CCl 4 : carbon tetrachloride

Atoms, Molecules, and Ions © 2009, Prentice-Hall, Inc. Nomenclature of Binary Compounds If the prefix ends with a or o and the name of the element begins with a vowel, the two successive vowels are often elided into one. N 2 O 5 : dinitrogen pentoxide

Atoms, Molecules, and Ions © 2009, Prentice-Hall, Inc. Common Cations

Atoms, Molecules, and Ions © 2009, Prentice-Hall, Inc. Common Anions