Determine the oxidation states of the elements in the following substances. AlCl3, Na2CO3, SO2

AlCl3 – for aluminum +3, and for chlorine -1;
Na2CO3, – for Sodium +1, for oxygen -2, for carbon +4
SO2- sulfur will have +4, and oxygen will have -2



One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.