For this element, for actinium, and for polonium, but for none of the others, are the criteria of unique spectrum and chemical character, as found for radium, to be (Continued on page 77) Prof. S ...

Where would carbon-based life be without carbon? There are 118 known chemical elements, but carbon is the fourth most abundant and perhaps the most important to human life. Everywhere you look, ...

Can you name everything from Ac to Zr? Test your knowledge of the periodic table and see if you can top the leaderboard ...

The heaviest recognized chemical element with the atomic number 112 was discovered at the GSI Helmholtzzentrum für Schwerionenforschung and -- since February 19, 2010, -- officially carries the ...

An international team of scientists in Germany has succeeded in the observation of the chemical element 114, one of the heaviest elements created until now. The production of element 114 is very ...

The explosion of a star, called a supernova, is an immensely violent event. It usually involves a star more than eight times ...

Melissa Block and Robert Siegel read entries from a Web site that offers short poems about each of the chemical elements. The site, iSciFiStory.com, asked people to write haiku about their favorites.

The periodic table of chemical elements, often called the periodic table, organizes all discovered chemical elements in rows (called periods) and columns (called groups) according to increasing atomic ...

The periodic table of elements is a cornerstone of modern chemistry, representing the organized arrangement of all known chemical elements. Its iconic layout provides scientists with a systematic ...

The plastic industry is pitching chemical recycling as a great new hope in the battle against the plastic pollution crisis. Experts say not so fast ...

Naturally occurring superheavy elements beyond those listed in the periodic table could potentially explain why asteroid 33 Polyhymnia is so dense, new research suggests.