what is magnesium by which person can choose their represented and change them if they wish too.
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Magnesium is a chemical element with the symbol Mg and atomic number 12. It is a shiny gray solid which bears a close physical resemblance to the other five elements in the second column (group 2, or alkaline earth metals) of the periodic table: all group 2 elements have the same electron configuration in the outer electron shell and a similar crystal structure.
Magnesium, 12Mg
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Magnesium
Chemical element
Magnesium is a chemical element with the symbol Mg and atomic number 12. It is a shiny gray solid which bears a close physical resemblance to the other five elements in the second column of the periodic ...
Symbol: Mg
Atomic mass: 24.305 u
Atomic number: 12
Electron configuration: [Ne] 3s2
Van der Waals radius: 173 pm
Melting point: 650 °C
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