A chemical element is one of those squares on the periodic ... The trouble is that chlorine almost never exists in this form and so the atom depicted on the periodic table is almost an abstraction.

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 ...

A fascinating and detailed account 3 of the history of the name of element 16 can be found elsewhere, but the bottom line is that sulfur is not a Greek loan word and so there is no 'phi' that ...

For example, Lead is a chemical element with the symbol Pb (from the ... making a molecule. So, all compounds are molecules, and some elements are too. All the different elements are arranged ...

A surprising scientific discovery in the remnants of Tycho Brahe’s workshop has revealed the presence of tungsten, an element ...

Although it is probably the most studied chemical element, revolutionary, pure carbon molecules and nanostructures (fullerenes, nanotubes, and so forth) were discovered only a few years ago (H. Kroto ...

What to do now with elementary gases which have no chemical property? Elements without chemistry they were and so they were assigned to a “zero group” either at the beginning or end of the ...

Iron is a magnetic element, so it can be separated from a mixture ... However, we now know that there are actually 118 chemical elements. Everything on Earth and in the solar system is made ...