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 …

Explore Resources Periodic Table of Elements Classification Browser Search and Analysis Tools Chemical Safety Information

GHS, the Globally Harmonized System of Classification and Labeling of Chemicals, was developed by the United Nations as a way to bring into agreement the chemical regulations and standards of …

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

An alkaloid ester extracted from the leaves of plants including coca. It is a local anesthetic and vasoconstrictor and is clinically used for that purpose, particularly in the eye, ear, nose, and throat. It …

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

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) …

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 …

Hydrogen combines with other elements to form numerous compounds. Some of the common ones are: water (H 2 O), ammonia (NH 3), methane (CH 4), table sugar (C 12 H 22 O 11), hydrogen peroxide …

Acetaminophen (paracetamol), also commonly known as Tylenol, is the most commonly taken analgesic worldwide and is recommended as first-line therapy in pain conditions by the World Health …