Periodic Table

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The regular table is a convenient way to team the elements. Each element is represented by a 1 or 2 letter symbol. A usual periodic table is shown here:
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As you deserve to see, the facets in the table space arranged by atomic mass, from shortest mass in the top left to greatest on the bottom right. Note that over there is a placeholder after ~ barium (Ba) because that the lanthanide elements with atomic mass 57-70 and another placeholder ~ radium (Ra) for the actinide elements with atom mass 89-102.A pretty online periodic table is internet Elements. Click on any element provides you information about the element.

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Columns

The columns group aspects according to your similarity in properties and also reaction usmam.orgistry. Below are few of the columns. Hydrogen and also the aspects below that in the regular table commonly lose one electron to various other atoms and also become +1 cations. Beryllium and the aspects in its pillar frequently type +2 cations by shedding 2 electron to various other elements. The elements in the column start with oxygen can gain 2 electron from other aspects and type -2 anions while elements in the column beginning with fluorine frequently gain 1 electron type other aspects and form -1 anions. Helium and also the other elements in its shaft are really unreactive. Lock don"t ever kind anions or cations.Can make +1 cationsCan do +2 cationsCan make -2 anionsCan do -1 anionsDon"t make anions or cations
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Metals and also Non-Metals

Most of the elements are metallic. What space the properties of metals? Think about a typical metal favor copper. It is shiny and also it "looks metallic". The conducts electricity well so we use it come make electrical wires. Copper is simple to bending without breaking and it deserve to be hammered into many shapes, the is that is malleable. With heating, it is ductile so it deserve to be pulled right into wires. The other elemental metals also have these characteristics.Metallic Elements
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The non-metals are fairly different. They room typically bad conductors the electricity.

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Together solids they don"t bend and also break when hit with a hammer. Few of these aspects (Si, Ge, As, Sb, Te, Po) room intermediate in between metals and also non-metals and also are dubbed metalloids.Non-Metals and Metalloid Elements
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