The sodium atom has 11 electrons arranged 2,8,1. What must the atom do to become stable? lose 1 electron

gain 1 electron

gain 7 electrons

Afarmer has a large field that is x feet in length. he wants to fence in a rectangular section in the middle of the field , leaving a length of 100 feet of open field behind each end of the fenced rectangle.he also wants the width of the fenced-in space to be 100 feet less than its length. find the expressions to represent the length and width of the fenced section of the field