Elements in group 1 and group 2 are metals ... See the study guide on groups in the periodic table for more information.

This year we celebrate the 150 th anniversary of Mendeleev’s achievement in formulating the structure of the periodic table that ... groups of metals. Even though chemists had identified relationships ...

Heavy ligands such as polyoxometalates are opening a new frontier in actinide chemistry. Studying materials that are both ...

That’s one reason why precious metals are precious, John Cowan, an astrophysicist at the University of Oklahoma said. The presence of elements ... guide to the periodic table “There ...

such as metals or gases, while also giving each individual element its own chemical symbol. In this periodic table of ...

Is the periodic table hanging in your lab ... Before 1886, aluminum was a semiprecious metal comparable in price to silver. The third most abundant element in the earth’s crust—and its most plentiful ...

Our bodies require other elements, including non-metal elements such as phosphorus ... These are almost one-quarter of the periodic table and are mainly found in the first four periods.

Unlike other elements reportedly gathered by Lidden, the plutonium sparked a major hazmat alert, requiring a response from ...

That’s why this periodic table clock really caught our eye. [gocivici]’s idea is a simple one: light up three different elements with three different colors for hours, minutes, and seconds ...

Spraying Windex onto the samples produces a color that depends on the metal residing in the dirt ... we asked clubs to create elements of the periodic table featuring a mole. The Period Table of ...