Question

An element is placed in 2nd group and 3rd period of the periodic table, burns in the presence of oxygen to form a basic oxide. I) identify the element ii) write the electronic configuration

Answer 1

I) Magnesium(Mg)

II) Electronic configuration = 2,8,2

Answer 2

The name of the element is magnesium.

And it's electronic configuration is : 2,8,2....

Valency-2.

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