From the above list, write down the names of simple and complex substances: water, carbon dioxide, oxygen
| November 14, 2020 | Education
From the above list, write down the names of simple and complex substances: water, carbon dioxide, oxygen, table salt, hydrogen, ozone, iron, nitrogen.
Simple: oxygen O2, hydrogen H2, ozone O3, iron Fe, nitrogen N2.
Complex: water H2O, carbon dioxide CO2, sodium chloride.
Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.