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

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

Periodic Table of Elements - PubChem Periodic Table of Elements

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 electron affinity changes with atomic number in the periodic table of elements via interactive plots.

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

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

A schematic of the Institute for Transuranium Elements (ITU) Standard 225 Ac/ 213 Bi Radionuclide Generator is shown in Fig. IUPAC.83.3.

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 …

Ytterby is the site of a quarry which yielded many unusual minerals containing rare earths and other elements. This small town, near Stockholm, bears the honor of giving names to erbium, terbium, and …