Chapter 12: Oxidation Number Rules Flashcards
In free elements the atom has an oxidation number of…
0
The sum of the oxidation numbers of all the atoms in a molecule is…
0
The oxidation number of a simple ion containing one atom is equal to…
charge on the ion
The sum of the oxidation numbers of all the atoms in a complex ion is equal to…
charge on ion
Hydrogen has an oxidation of … in its compounds, except in metallic hydrides where it is…
+1, -1
Oxygen has an oxidation number of … in its compounds,
except in hydrogen peroxide where it is …
and when bonded to flourine it is …
-2
-1
+2
The oxidation number of group 1 elements in their compounds is always … and the oxidation number of group 2 elements in their compounds is always …
+1
+2
The oxidation number of a halogen when bonded to a less electronegative atom is …
-1
