The zigzag, staircase, line in the diagram of the periodic table above separates the metals, on the left, from non-metals, on the right. Hydrogen is a non-metal, but it is often put in the middle.

Watch this video to find out more information on the periodic table close periodic tableA table which lists all of the chemical elements and arranges them in a way that is useful. It allows us to ...

The pioneering nuclear chemist Glenn Seaborg discovered berkelium at Berkeley Lab in 1949. It was one of many achievements ...

The pioneering nuclear chemist Glenn Seaborg discovered berkelium at Berkeley Lab in 1949. It was one of many achievements related to transuranium elements that led to his winning the 1951 Nobel Prize ...

Ivan Dmochowski ponders how xenon, though initially slow to earn a spot in the periodic table, is now at the forefront of advances in science and technology. For all their nobility, elements of ...

Spraying Windex onto the samples produces a color that depends on the metal residing in the dirt. By comparing colors across samples ... As part of the ChemClub's 10 th Anniversary, we asked clubs to ...

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 ...

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.