Search results
Results from the WOW.Com Content Network
Crystals of serandite, natrolite, analcime, and aegirine from Mont Saint-Hilaire, Quebec, Canada. In geology and mineralogy, a mineral or mineral species is, broadly speaking, a solid substance with a fairly well-defined chemical composition and a specific crystal structure that occurs naturally in pure form.
Colors of a single chemical in different solvents, under visible and UV light, showing how the chemical interacts dynamically with its solvent environmentIn addition to the generic definition offered above, there are several niche fields where the term "chemical substance" may take alternate usages that are widely accepted, some of which are outlined in the sections below.
118 chemical elements have been identified and named officially by IUPAC.A chemical element, often simply called an element, is a type of atom which has a specific number of protons in its atomic nucleus (i.e., a specific atomic number, or Z).
The periodic table, also known as the periodic table of the elements, is an ordered arrangement of the chemical elements into rows ("periods") and columns ("groups"). It is an icon of chemistry and is widely used in physics and other sciences.
Copper is a chemical element with symbol Cu and atomic number 29, known for its high thermal and electrical conductivity.
Main page; Contents; Current events; Random article; About Wikipedia; Contact us
Afrikaans; አማርኛ; Anarâškielâ; अंगिका; العربية; Aragonés; Արեւմտահայերէն; Armãneashti; Asturianu; अवधी; Azərbaycanca
Main page; Contents; Current events; Random article; About Wikipedia; Contact us