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, …
Hydrogen | H (Element) - PubChem
Periodic Table element Summary Hydrogen. Hydrogen is a chemical element with symbol H and atomic number 1. Classified as a nonmetal, Hydrogen is a gas at room temperature.
Atomic Mass | Periodic Table of Elements - PubChem
Explore how atomic mass changes with atomic number in the periodic table of elements via interactive plots.
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.
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.
Magnesium | Mg (Element) - PubChem
Periodic Table element Summary Magnesium. Magnesium is a chemical element with symbol Mg and atomic number 12. Classified as an alkaline earth metal, Magnesium is a solid at room …
Zinc | Zn (Element) - PubChem
Periodic Table element Summary Zinc. Zinc is a chemical element with symbol Zn and atomic number 30. Classified as a transition metal, Zinc is a solid at room temperature.
Potassium | K (Element) - PubChem
Periodic Table element Summary Potassium. Potassium is a chemical element with symbol K and atomic number 19. Classified as an alkali metal, Potassium is a solid at room temperature.
Silicon | Si (Element) - PubChem
Periodic Table element Summary Silicon. Silicon is a chemical element with symbol Si and atomic number 14. Classified as a metalloid, Silicon is a solid 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.