Respuesta :

You may find bellow the assignment of the oxidation number for each atom.

Explanation:

Li₃PO₄

Li have the oxidation number +1

P have the oxidation number +5

O have the oxidation number -2

SO₃²⁻

S have the oxidation number +4

O have the oxidation number -2

Cr₂S₃

Cr have the oxidation number +3

S have the oxidation number -2

NO₃⁻

N have the oxidation number +5

O have the oxidation number -2

Learn more about:

oxidation number

https://brainly.com/question/10079361

https://brainly.com/question/6710925

#learnwithBrainly