an element has atomic number 12 to which period and group of the periodic table it will belong
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The element is Mg. It belongs to 3period 2group.
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the element which has the atomic no is magnesium (mg).in the periodic tqble magnesium is in 3rth period and in 2nd group.
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The element which has the atomic no is magnesium(mg). Its elctronic configuration is 2,8,2. As it has 2 valence electrons it is in group 2 of the periodic table.so it is an alkaline earth metal and has it has 3 shells it is in period 3.
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Magnesium is the element of atomic number 12.It shows diagnol relationship with lithium. Both are very lighter elements.It forms only mono oxide. Magnesium.Magnesium do not impart any color to the flame.It is the main component in chlorophyll.
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