All resembled known elements so closely that they could not be separated by chemical analysis, and those actually at work on these substances came to the conclusion that the chemical resemblances ...

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 ...

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 ...

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 ...

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.

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 ...