At a distance N X RE from the earth's surface, where N is an integer, the gravitational force on an object is only 1/81 of its value at the earth's surface. What is N?
Express your answer as an integer.

It won't lose or gain electrons if it's a covalent bond it shares the electrons with another atom or atoms. if it is an ionic bond it will lose the 3 electrons on the outer shell and become a positively charged ion.  credit goes to @sunshinebaby of answers.yahoo.com.

The answer is a i think