rules for determining oxidation number

9 terms by lumalee 

Create a new folder

Advertisement Upgrade to remove ads

the oxidation number of any uncombined element is...

zero

the oxidation number of a monatomic ion equals...

the charge on the ion

the more electronegative element in a binary compound is assigned the number equal to the charge it would have...

if it were an ion

the oxidation of fluorine in a compound is always...

negative one

oxygen has an oxidation number of negative two unless it is combined with F, when it is...or it is in a peroxide, when it is...

plus two, negative one

the oxidation of hydrogen in most of its compounds is plus one unless it combined with a metal in which case it is...

negative one

in compounds, the element of groups 1 and 2 as well as aluminum have oxidation number of...

plus one, plus two, and plus three respectively

the sum of the oxidation numbers of all atoms in a neutral compound is...

zero

the sum of the oxidation number of all atoms in a polyatomic ion equals...

the charge of the ion

Please allow access to your computer’s microphone to use Voice Recording.

Having trouble? Click here for help.

We can’t access your microphone!

Click the icon above to update your browser permissions above and try again

Example:

Reload the page to try again!

Reload

Press Cmd-0 to reset your zoom

Press Ctrl-0 to reset your zoom

It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.

Please upgrade Flash or install Chrome
to use Voice Recording.

For more help, see our troubleshooting page.

Your microphone is muted

For help fixing this issue, see this FAQ.

Star this term

You can study starred terms together

NEW! Voice Recording

Create Set