Copyright © 2008 Pearson
Prentice Hall, Inc.
Oxidation-Reduction (Redox) Reactions
1.An atom in its
elemental state has an oxidation number of 0.
Rules for Assigning Oxidation Numbers
Oxidation Number (State):
A value which indicates whether an atom is neutral, electron-rich, or electron-poor.
Na
H2
Br2
S
Ne
Oxidation number 0