Periodic Table of Elements - PubChem
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!
Periodic Table - PubChem
As we mark the 150th anniversary of the periodic table, the scientific community has declared 2019 to be “The International Year of the Periodic Table”. PubChem is celebrating by launching the PubChem Periodic Table and corresponding Element pages.
Atomic Mass | Periodic Table of Elements - PubChem
Explore how atomic mass changes with atomic number in the periodic table of elements via interactive plots.
PubChem
Search and explore chemical information in the world's largest free chemistry database. Search chemicals by name, molecular formula, structure, and other identifiers. Find chemical and physical properties, biological activities, safety and toxicity information, patents, …
Gallium | Ga (Element) - PubChem
Periodic Table element Summary Gallium. Gallium is a chemical element with symbol Ga and atomic number 31. Classified as a post-transition metal, Gallium is a solid at room temperature.
Ytterbium | Yb (Element) - PubChem
Periodic Table element Summary Ytterbium. Ytterbium is a chemical element with symbol Yb and atomic number 70. Classified as a lanthanide, Ytterbium is a solid at room temperature.
Oxygen | O (Element) - PubChem
Periodic Table element Summary Oxygen. Oxygen is a chemical element with symbol O and atomic number 8. Classified as a nonmetal, Oxygen is a gas at room temperature.
Helium | He (Element) - PubChem
Periodic Table element Summary Helium. Helium is a chemical element with symbol He and atomic number 2. Classified as a noble gas, Helium is a gas at room temperature.
Manganese | Mn (Element) - PubChem
Periodic Table element Summary Manganese. Manganese is a chemical element with symbol Mn and atomic number 25. Classified as a transition metal, Manganese is a solid at room temperature.
Lead | Pb (Element) - PubChem
Periodic Table element Summary Lead. Lead is a chemical element with symbol Pb and atomic number 82. Classified as a post-transition metal, Lead is a solid at room temperature.