An element X placed in 2nd group and 4th period of periodic table burns in the presence of oxygen to form a basic oxide i) Identify the element ii) Write its electronic configuration iii) Write a balanced equation for the reaction when this oxide is dissolved in water

An element X placed in 2nd group and 4th period of periodic table burn

1.	An element X placed in 2nd group and 4th period of periodic table burns in the presence of oxygen to form a basic oxide i) Identify the element ii) Write its electronic configuration iii) Write a balanced equation for the reaction when this oxide is dissolved in water
Answer» Solution :i] The ELEMENT is calcium ii] `{:(K, L, M, N),(2,8,8,2):}` iii]`2 CaO(s)+H_2O(l) to Ca(OH)_2 (aq)`