What is the difference between the nuclei of the 3 / 1X and 3 / 2Y isotopes? What chemical elements do they refer to? Are their chemical properties the same?
These nuclei differ in the number of protons and neutrons. The first nucleus has 1 proton, 2 neutrons, the second has 2 protons and 1 neutron. The first nucleus is an isotope of hydrogen, the second is an isotope of helium. Their chemical properties are different.
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.