Question

Elements lose or gain electrons to attain electronicconfiguration similar to nearestnoble gas. But whose electronic configuration would an element attain if it lies just midway between two noble gases?

Answer 1

It depends on the number of electrons in outermost shell. Generally elements with 1,2 or 3 electrons in its outermost shell will tends to lose electrons. Elements with 4 electrons like to share electrons and form covalent bonds. Elements with 5,6 or 7 electrons generally tends to gain electrons.