Oxygen can have oxidation states of -2 (in most compounds), -1 (in peroxides), 0 (in O2), +1 (in superoxides), and +2 (in compounds like OF2).
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Nitrogen and oxygen are both nonmetals that can form a variety of polyatomic ions and molecules with multiple oxidation states. Nitrogen can form compounds with different oxidation states ranging from -3 to +5, while oxygen can form compounds with oxidation states ranging from -2 to -1.
Oxygen can have oxidation states of -2, 0, +1/2, or -1. The most common oxidation state of oxygen is -2, such as in water (H2O) and carbon dioxide (CO2).
Oxygen can have oxidation states of -2, -1, 0, 1, 2 in chemical compounds.
Metals that exhibit multiple oxidation states can have different levels of positive charge, known as oxidation states. These can vary depending on the compound the metal is in. For example, iron can have oxidation states of 2 and 3.
The oxidation number of oxygen is typically -2. However, in certain compounds like peroxides where oxygen is in a -1 oxidation state, or in compounds where oxygen is bonded to fluorine where it can have positive oxidation states, the oxidation number of oxygen can vary.