What substances are called oxides? Give examples of several oxides. What is the valence of oxygen atoms in oxides?
January 31, 2021 | education
| In chemistry, oxides are called complex compounds, which contain an element, as well as an oxygen atom. The oxygen atom always has a valence of 2. Let us write down the following oxides as an example.
MgO is magnesium oxide.
K2O – called potassium oxide.
Na2O – called sodium oxide.
CO2 – called carbon monoxide.
Fe2O3 – iron oxide.
Also, oxides can be divided into acidic and basic. Acidic include those that form acids. And the main ones include those that form the bases.
![](/01.jpg)
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.