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 …

This produced one atom of moscovium-287 and three atoms of moscovium-288. All four atoms quickly decayed into other elements. Moscovium's most stable isotope, moscovium-289, has a half-life of …

LICENSE https://www.nist.gov/pml/database-disclaimer Copper https://physics.nist.gov/cgi-bin/Elements/elInfo.pl?element=29 IUPAC Periodic Table of the Elements and Isotopes (IPTEI)

Explore how atomic radius changes with atomic number in the periodic table of elements via interactive plots.

His many achievements include the discovery of super-heavy elements and significant advances in the nuclear physics of super-heavy nuclei, including experimental evidence for the “island of stability.”

May 8, 2019 · The periodic table of chemical elements is one of the most recognized tools in science. As we mark the 150th anniversary of the periodic table, the scientific community has declared 2019 to …

Because of its rarity, berkelium presently has no commercial use, however, with its relatively long half-life and availability in microgram quantities, Bk-249 is used extensively as a target to synthesize …

The name derives from the Greek argos for "lazy" or "inactive" because it does not combine with other elements. It was discovered in 1894 by the Scottish chemist William Ramsay and the English …

Explore how density changes with atomic number in the periodic table of elements via interactive plots.

4 Description The metal has a silvery color, is rather hard, and is prepared by electrolysis of fused chloride and calcium fluoride (to lower the melting point). Chemically it is one of the alkaline earth …