Periodic Table: A Revolutionary Change in Chemistry
On behalf of the Journal of Organic and Inorganic Chemistry, as Editor-in-Chief, it is my distinct honour and privilege to welcome you to the Journal of Environmental and Toxicology Studies.
The Journal of Organic and Inorganic Chemistry aims to disseminate knowledge and promote discussion through the publication of peer-reviewed, high quality research papers on all topics related to Chemistry. The open access journal is published by Insight Medical Publishing who hosts open access peer-reviewed journals as well as organizes conferences that hosts the work of researchers in a manner that exemplifies the highest standards in research integrity.
The periodic table is one of the most important tools in the history of chemistry. It describes the atomic properties of every known chemical element in a concise format, including the atomic number, atomic mass and relationships between the elements. Elements with similar chemical properties are arranged in columns in the periodic table.
The periodic table of the elements describes the atomic structure of all elements that are known to mankind. By looking at the periodic table, a person can find out how many electrons the element has and how much it weighs. Each element has its own separate set of such data; no two elements are the same. Thus, if someone is uncertain what matter he has, he can look at the atomic structure of the material, compare it to the information in the periodic table, and identify the material by matching it to the element on the table with the same data.
Atomic Number and Mass:
As the table progresses from left to right, and top to bottom, the atomic number of the elements increases. The atomic number is the count of the protons in the atomic nucleus. The table also shows atomic mass, which is the total number of neutrons and protons in the atom’s nucleus, averaged according to the relative abundance of the element’s isotopes. For elements with no stable isotope, the table gives in parenthesis the atomic mass of the isotope with the longest half-life; in other words, the most stable form of the element.
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Journal of Organic & Inorganic Chemistry