Question

An element present at group 2 period 3 are in periodic table which burns in precens of oxygen to form basic oxide

Answer 1

you mean in group 13
then it B2O3

Answer 2

Hello friend,

Electronic configuration = 2,8,2(Mg)

Reactions with O2:

2Mg+O2---->2MgO

The element is Magnesium.

Please mark the answer as the brainliest.