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Oxidation state

en.wikipedia.org/wiki/Oxidation_state

The oxidation state, often called the oxidation number, is an indicator of the degree of oxidation .... Oxygen is assumed to have its usual oxidation state of −2, and so the sum of the oxidati...

Oxidation states (oxidation numbers) - Chemguide

www.chemguide.co.uk/inorganic/redox/oxidnstates.html

element, usual oxidation state, exceptions. Group 1 metals, always +1. Group 2 metals, always +2. Oxygen, usually -2, except in peroxides and F2O (see below).

Rules for Assigning Oxidation Numbers to Elements - For Dummies

www.dummies.com/how-to/content/rules-for-assigning-oxidation-numbers-to-elements.html

Oxidation numbers are assigned to elements using these rules: Rule 1: The ... Rule 5: The oxidation number of oxygen in a compound is usually –2. If, however  ...

Oxidation State

www.science.uwaterloo.ca/~cchieh/cact/c123/oxidstat.html

Assign an oxidation state (or oxidation number) to an atom in a molecule or ion. ... The oxidation state of oxygen in its compounds is -2, except for peroxides like H2O2, and .... This is the normal oxidation state of group VA: N, P, As, Sb, Bi.

General Chemistry/Redox Reactions/Oxidation state - Wikibooks ...

en.wikibooks.org/wiki/General_Chemistry/Redox_Reactions/Oxidation_state

The oxidation state of an atom within a molecule is the charge it would have if the bonding were completely ionic, even though covalent bonds do ... The oxidation state of oxygen in peroxide ion , O22- is -1. 5. ... Element, Usual Oxidation State.

The rules governing oxidation numbers - ChemTeam

www.chemteam.info/Redox/Redox-Rules.html

Oxygen, in all its compounds except peroxides, has an oxidation number of -2 ... There are some complex examples which are not discussed in the usual set of ...

Oxidation States (Oxidation Numbers) - Chemwiki

chemwiki.ucdavis.edu/Core/Analytical_Chemistry/Electrochemistry/Oxidation_States_(Oxidation_Numbers)

Jan 26, 2014 ... Element, Usual oxidation state, Exceptions. Group 1 metals, Always +1. Group 2 metals, Always +2. Oxygen, Usually -2, Peroxides and F2O ...

Oxidation States - Boundless

www.boundless.com/chemistry/textbooks/boundless-chemistry-textbook/aqueous-reactions-4/oxidation-reduction-reactions-48/oxidation-states-245-7531/

In general, hydrogen has an oxidation state of +1, while oxygen has an ... of the ion is 2-, and each oxygen is assumed to be in its usual oxidation state of -2.

Oxidation Number Assignments

www.chemistry.co.nz/redox_oxi_aa.htm

All halogens (besides fluorine) have a -1 oxidation number in compounds, except when with oxygen or other halogens where their oxidation numbers can be ...

What is the usual oxidation number of an oxygen and of hydrogen

www.answers.com/Q/What_is_the_usual_oxidation_number_of_an_oxygen_and_of_hydrogen

Usually the oxidation no of oxygen is -2 and the oxidation no of hydrogen is +1 in a compound.

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Rules for Assigning Oxidation Numbers - Chemistry - About.com

chemistry.about.com

The usual oxidation number of hydrogen is +1. The oxidation number of ... The oxidation number of oxygen in compounds is usually -2. Exceptions include OF2,  ...

Oxidation Number: Definition, Rules & Examples - Video & Lesson ...

study.com

An oxidation number is assigned to an atom to know its... ... Br, I), the usual oxidation number is -1, except when they are combined with oxygen or fluorine.