A chemical element is one of those squares on the periodic table that adorns many a classroom wall. Sure. But what is an element really? It is a more subtle question that you might realise. To get ...

The periodic table currently has 118 chemical elements (SN: 11/30/16). The five heaviest elements were all produced using a beam of calcium-48. That’s a variety, or isotope, of calcium with 28 ...

Definition is viewed in this paper as a cohesive element of theory, providing links between scientific constructs. The problem is approached first in terms of three orders--the historical, the logical ...