Question

one electron is present in the outermost shell of an atom of an element Y. what would be the nature and value of charge on them on the ion formed at this electronic remove from the outermost shell?

Answer 1

As it has 1 electron in it's outermost shell , it will lose 1 electron to acquire stable electron configuration . As it is losing 1 electron , therefore it is metal and charge on it is +1 .