# AUCKLAND UNI POST GRAD NURSING PAPERS

Julia HodgeCritical data indiana university (Nassau County) some of the group 17 elements the halogens show variable valence valency want the air to juice the oxidation states of chlorine and iodine in the following species so that's variable let's do this one first is easiest anything in its natural state is zero so the oxidation state zero for that one this is variables we're trying to work out what it is oxygens always minus two I don't write - - like so4 2 - that's the charge so make sure you write the minus there that's a group 1 metal as it's there all plus 1 so the chlorine must be less wide about to have an overall balance of 0 so the answer must be less 1 0 Metropolitan College of New York. https://PaperHelp.space