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 ...

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

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

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.

For the last fifty or so years, the periodic table has been incomplete. Elements after uranium on the periodic table have been synthesized for the past few decades, but there were always a few ...

The breakthrough disrupts long-held theories about the chemistry of the elements ... A heavy metal molecule with Berkeley roots Berkelium is one of 15 actinides in the periodic table's f-block.

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 ...