Previously, it was believed that the chemical properties of an element are determined by its atomic mass. Prove that this statement is not true.
October 30, 2020
The chemical properties of an element are determined by the structure of the electron shells of atoms. The structure of the electron shells of atoms is determined by the charge of the nucleus, and not by the mass number.
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.