Comprehensive 118 Elements List with Symbols and Atomic Numbers for 2025 in PDF download free from the direct link below. The list of 118 elements is an important reference in Chemistry, showing all known chemical elements along with their symbols and atomic numbers. This document is a list of the 118 known elements in the periodic table. It includes the element symbol, name, and atomic number for each element from Hydrogen (H) to Oganesson (Og). The elements are organized numerically by their atomic number. This element list includes the names, symbols, and atomic numbers of all 118 chemical elements, arranged in order of increasing atomic number. The atomic number is the number of protons in an atom of that element. The Periodic Table of Elements is widely used in chemistry to look up chemical elements, as it arranges them to show periodic trends in their chemical properties. Typically, the periodic table displays the element's symbol rather than its full name.