Key Oxidation Numbers Worksheet. 2 fe 2 aq h2o2 aq 2fe 3 aq 2 oh 1 aq. G h j v g i o q j t u c e g l m o q.
Na 2 o 2 na o 2. S02 determine the oxidation number of the sulfur atom. Nf3 n 3 f 1 k2co3 k 1 c 4 o 2 c.
Chemistry chapter 7 worksheets chemical formulas and nomenclature page 1 worksheet 1.
Na 2 o 2 na o 2. A pure element has an oxidation number of 0. Oxygen usually 2 except when it forms a o o single bond a peroxide when it is 1. Hydrogen usually 1 except when bonded to group i or group ii when it forms hydrides 1.
