The Periodic Table: Electronic Separation Of The Chemical Elements In Chemistry

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The Periodic Table.
The Periodic Table is an arrangement of the chemical elements and is one of the most important references for anyone doing chemistry. The elements on The Periodic Table are arranged according to their atomic number and their electronic configuration. The atomic number is listed next to the chemical symbol for the element in the top left corner. The atomic number can also be known as the Proton number of an element. The electron configuration of an atom is the representation the arrangement of electrons that are distributed among the orbital shells and subshells - http://chemwiki.ucdavis.edu/Inorganic_Chemistry/Electronic_Configurations
There are two types of bonding in atoms, one is Ionic and the other is Covalent. Ionic bonding occurs when a positive ion and a negative ion are attracted and join together, thus forming an ionic compound. Sodium Chloride is an example of an ionic compound. Covalent bonding occurs when two non-metal atoms combine. This also means that they share electrons to gain a stable electronic structure.
The Periodic Table has developed and changed throughout history as scientists have continued to discover new
The different elements are assembled into different groups. I shall start with the Alkali Metals, these are all the elements in the first column, and the column is marked in yellow. The first column is also referred to as Group 1, next to it stands another column in light blue. This is Group 2 and it consists of the Earth Metals. The next group is Group 3, this is the section of the Periodic Table which is in a sort of dark blue. This particular group consists of Transition Metals and is the largest of the Groups. The next group is highlighted in a light and pale yellow, these are The Halogens. Finally, we move onto The Nobel Gases. These are in the section of the table which is a peachy orange

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