The one of chemical element is a prominent concept within the chemistry precisely, which is used for designate that matter that is made up of atoms that have the same class.
The chemical elements identified today have been found in nature itself, but some are also the product of an artificial process. Thus, those originating in nature integrate simple substances or chemical compounds.
The most popular chemical elements are, among others: hydrogen, carbon, helium, oxygen, nitrogen, sodium, aluminum, sulfur, phosphorus, chlorine, calcium, iron, copper, zinc and gold. Each element has a symbol to be named in writing, and it is generally the first letter of the element in question in uppercase format; So the symbol for nitrogen is the letter N and for oxygen the letter O. When an element was already named with the first letter of its name, the possibility was exhausted for another that had the same starting letter, then, such issue was resolved by adding the second word of its name, for example Chlorine is Cl.
Etymology of some elements, likewise, it has been used to determine their symbology.
It should be noted that the chemical elements are gathered in what is known as periodic table of elements and each one of them appears in a given position in relation to the number of protons present in its nucleus.
The exclusive mission of this is to organize, classify and distribute the different existing chemical elements according to their characteristics and also the properties they display.
Several scientists contributed to its delineation and current form, starting with the Russian-born chemist Dmitri Ivanovich Mendeleev, who carried out the task of ordering the existing elements in his time according to the manual variety that their chemical properties presented; then he German chemist Julius Lothar von Meyer would order them but according to the physical properties of the atoms, while the chemist Swiss Alfred Werner it would give the current imprint to the table.
