• Dr. Gopal Arora

The current state of study into the conceptual basis of the periodic table is summarised in this article. We provide a brief history of the chemical elements table and periodic system, including the effect of contemporary physics because of the findings of Moseley, Bohr, and current quantum mechanics, among other things. The periodic table's significance in the dispute over chemistry's reduction is explored, as well as efforts to deduce the Madelung rule from fundamental principles. Other contemporary disputes include around the idea of an "element" and its dual role as a simple and elementary material, as well as whether elements and groupings of elements form natural types. The second of these concerns the possibility of additional arguments about the periodic table's placement of specific elements such as H, He, La, and Ac. While the overall shape of the periodic table has stood the test of time and is unlikely to change in the future, changes to the table have been made and are still being made. The atomic mass is one area where small alterations might occur. More precise techniques of determining the mass of atoms may be developed in the future. However, the magnitude of these changes would be negligible.

Atom, Bohr’s Model, Electron, Pauli’s Principle, Periodic table.

"A Review Paper on Periodic Table", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.5, Issue 10, page no.627-632, October-2018, Available :http://www.jetir.org/papers/JETIRFH06105.pdf

"A Review Paper on Periodic Table", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.5, Issue 10, page no. pp627-632, October-2018, Available at : http://www.jetir.org/papers/JETIRFH06105.pdf