Superhero And Supervillain Molecules
Monday, July 30, 2012 - 02:20
in Physics & Chemistry
By definition, elements, whose atomic nuclei have the same number of protons, and compounds, which have two or more elements bonded together, are both pure substances. Not to confuse the "pure substance" term with chemical "purity" in the analytical sense, what matters more is that pure substances can be anywhere on the spectrum in terms of how they impact humans and the rest of nature. When evaluating chemical elements and compounds from this point of view, the following classification may prove useful.1. Not Quite Perfect Superheroes: Essential Life-Giving Substances read more