Free help with homework

Why join Brainly?

  • ask questions about your assignment
  • get answers with explanations
  • find similar questions


1.oxidaton number for an elemnt or compound in its free state is zero
2.elemnt or compound with ion whether monoatomic or diatomic has same oxidation number as the ion.
3.the sum of all oxidation numbers in a neutral compound is zero.4.for alkali metal O.N is +1 nd for alkali earth metal it is +2.5.usually oxygen O.N of -2 but for peroxides it is -1 nd for superperoxides it is +1.6.for halogens O.N is always -1.
0 0 0
The Brain
  • The Brain
  • Helper
Not sure about the answer?
Learn more with Brainly!
Having trouble with your homework?
Get free help!
  • 80% of questions are answered in under 10 minutes
  • Answers come with explanations, so that you can learn
  • Answer quality is ensured by our experts