Below are the rules for assigning oxidation numbers. Review the rules and then decide if each statement is TRUE or FALSE.
Column A
1.
Free elements such as Al and O2 have an oxidation number of 0.
:
Free elements such as Al and O2 have an oxidation number of 0.
2.
Group 1A metals have an oxidation number of +1 in compounds.:
Group 1A metals have an oxidation number of +1 in compounds.
3.
Group 2A metals have an oxidation number of -2 in compounds.:
Group 2A metals have an oxidation number of -2 in compounds.
4.
In most compounds, Hydrogen has an oxidation number of -1.:
In most compounds, Hydrogen has an oxidation number of -1.
5.
Group 7A nonmetals have an oxidation number of +1 in compounds.:
Group 7A nonmetals have an oxidation number of +1 in compounds.
6.
In compounds, Oxygen has an oxidation number of -2.:
In compounds, Oxygen has an oxidation number of -2.
Column B
a.True
b.False
1. a. True
2. a. True
3. b. False
4. b. False
5. b. False
6. a. True