4.28 nm You are correct. Previous Tries style=\"cursor: pointer;\"> What is the
ID: 2123858 • Letter: 4
Question
4.28 nmYou are correct.Previous Triesstyle="cursor: pointer;">
Explanation / Answer
a)radius = n^2 *0.529 A = 81*0.529 = 4.2849 nm
b)E = -13.6/n^2
E = -13.6/25 = 0.544 eV = -0.8704 *10^-19 J