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, …

May 8, 2019 · Table View is the traditional periodic table any scientist would instantly recognize. List View provides a summary view, allowing you to see all properties available for each …

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 …

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Periodic Table element Summary Krypton Krypton is a chemical element with symbol Kr and atomic number 36. Classified as a noble gas, Krypton is a gas at 25°C (room temperature).

Geochronology and Thermochronology by the 40Ar/39Ar Method, p. 212, Oxford University Press, Oxford (1999). [170] United States Geological Survey. Periodic Table-Argon, U.S. Geological …

https://www.nist.gov/pml/database-disclaimer Silicon https://physics.nist.gov/cgi-bin/Elements/elInfo.pl?element=14 IUPAC Periodic Table of the Elements and Isotopes (IPTEI)

It has the highest equivalent weight of any element, and is the most unstable of the first 101 elements of the periodic system. Thirty-three isotopes of francium are recognized.

Periodic Table element Summary Ruthenium Ruthenium is a chemical element with symbol Ru and atomic number 44. Classified as a transition metal, Ruthenium is a solid at 25°C (room …

Periodic Table Oganesson Oganesson is a chemical element with symbol Og and atomic number 118. Classified as a noble gas, Oganesson is a expected to be a gas at 25°C (room …