One electron is present in the outermost shell of the atom of an element X. What would be the nature and value of charge on the ion formed if this electron is removed from the outermost shell?
a) The nature of the ion formed is positive with a charge of +1.
b) The nature of the ion formed is negative with a charge of -1.
c) The nature of the ion formed is positive with a charge of -1.
d) The nature of the ion formed is negative with a charge of +1.