Take a look in ~ the photo below. Each of those fancy balls is one electron. In one atom, the electrons spin around the center, additionally called the nucleus. The electrons favor to it is in in separate shells/orbitals. Shell number one can only host 2 electrons, covering two can hold 8, and also for the an initial eighteen elements shell three deserve to hold a best of eight electrons. Together you learn about elements with an ext than eighteen electrons you will discover that shell three can hold much more than eight. As soon as one covering is full, the following electron that is added has to move to the next shell.So... Because that the facet of MAGNESIUM, you already know the the atomic number tells you the variety of electrons. That way there space 12 electron in a magnesium atom. Looking in ~ the picture, you deserve to see there are two electron in shell one, eight in covering two, and two much more in covering three.


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► more about the background and places to discover magnesium.► Next element of the periodic table.
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Magnesium OxideMagnesium (Mg) is able come bond with one oxygen (O) atom. The formula of the link is MgO. You have the right to see in the dot framework that the 2 atoms share four different electrons. When a bond is make with four electrons, that is dubbed a double bond. It is stronger than a single bond which only provides two electrons.
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Magnesium DichlorideMagnesium dichloride is commonly known together magnesium chloride. You deserve to use one of two people name once talking about the compound. Due to the fact that magnesium (Mg) has actually two extra electrons it looks about for elements which could use them. In this case, magnesium bonds v two chlorine (Cl) atom which each need one electron. With the extr electron, chlorine has a to fill shell and magnesium loses 2 electrons. Magnesium additionally has a fill shell!
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