Interactive periodic table with up-to-date element property data collected from authoritative sources. Look up chemical element names, symbols, atomic masses and other properties, visualize trends, or even test your elements knowledge by playing a periodic table game!
The PubChem Periodic Table and Element pages help users navigate the abundant chemical element data available within PubChem while providing a convenient entry point to explore additional information, such as bioactivities and health and safety data, available in PubChem Compound pages for specific elements and their isotopes.
Explore how atomic mass changes with atomic number in the periodic table of elements via interactive plots.
Explore how ionization energy changes with atomic number in the periodic table of elements via interactive plots.
Explore how boiling point changes with atomic number in the periodic table of elements via interactive plots.
Explore how density changes with atomic number in the periodic table of elements via interactive plots.
As of 2019, the Periodic Table of the Elements has been around for 150 years. Maybe you've felt a certain chemistry with 2019 but don't know why? Maybe it's because this year marks the 150th ...
Science News: 150 years on, the periodic table has more stories than it has elements
Recognize these rows and columns? You may remember a detail or two about this mighty table’s organization from a long-ago chemistry class. Elements are ordered according to their number of protons, or ...
150 years on, the periodic table has more stories than it has elements
C&EN: Exploring the superheavy elements at the end of the periodic table