Answers

2016-01-25T23:01:59+05:30
The element is Mg. It belongs to 3period 2group.
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because it is a light metal k now can u mark it as brianliest ☺
i need more detail ans
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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.
Brainliest answer!!
2016-01-26T08:16:02+05:30
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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