If the Radius of the Electron Orbit in the N

Multiple Choice

If the radius of the electron orbit in the n = 1 level of the hydrogen atoms is 0.052 9 nm,what is its radius for the n = 4 level? (Assume the Bohr model is valid) .

A) 0.212 nm
B) 0.045 nm
C) 0.716 nm
D) 0.846 nm
E) ​0.920 nm