This year we celebrate the 150 th anniversary of Mendeleev’s achievement in formulating the structure of the periodic table that we use today. He announced his structure in 1869, but the challenge of ...

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 ...

The position of an element on the periodic table provides information about its ... of metals for you to classify it as a metal! As long as it has most metal properties, you can be confident ...

This is the second part of a three-part series written by Carolyn Krause. Many of the elements were synthesized using an Oak ...

When the first periodic table was formulated by Mendeleev ... might have been present when the Earth was first formed has long since decayed radioactively. We know this because even the longest ...

Bismuth, the 83rd element in the periodic table, has been known since ancient times, but was often confused with lead and tin. In 1753, Claude François Geoffroy from France demonstrated that ...

The breakthrough disrupts long-held theories about the chemistry of the elements that follow uranium in the periodic table. A research team led by the Department of Energy's Lawrence Berkeley ...