The Periodic Table is a tabular arrangement of the chemical elements, organized by their atomic number, electron configuration, and recurring chemical properties. It was first developed by Dmitri Mendeleev in 1869. Each element is represented by its chemical symbol and placed in a specific location on the table based on its properties. The rows of the table are called periods, and the columns are called groups. The Periodic Table helps us understand the relationship between elements and predict their behavior in chemical reactions. Elements in the same group often have similar properties, while those in the same period have their electrons in the same energy level. The Periodic Table is divided into metals, nonmetals, and metalloids. Metals tend to be shiny, malleable, and good conductors of electricity. Nonmetals are typically gases or brittle solids and poor conductors of electricity. Metalloids have properties that are in between metals and nonmetals. Overall, the Periodic Table is a fundamental tool in the study of chemistry, providing a systematic way to organize and understand the vast array of chemical elements in the universe.