Abstract
Values and change laws of atoms and ions radiiIn the chemical technology industry many products are produced by aqueous-salt systems.In such systems the charged particles of mineral substances used as raw materials are in the form of ions and play a decisive role in the formation of the target products.Today research results in the theoretical chemistry show that there is no high level scientifically substantiated data on the radii of atoms that are the material basis of such ion particles.The atomic and ion radius values of chemical elements give rise to several values for a single element in known literary data.These data are different from each other.Within the periodic table per each atom and each ion about 30 scaling values are determined by the calculation or physico-chemical methods.According to the results obtained, the values have been found that are close to the known data and preserve their own numerical values within the periodic system.At this point two different equations are used to calculate radii of the atoms and ions of the elements.Version 1 is for elements in the periodic table moving from period to another, while the other is for elements in the 1st and 8th groups in each period of the periodic table.All chemical elements in the periodic table allow calculating the radius values of atoms and ions.