Energy associated with second Bohr's orbit is E‌‌=−13.6Z2/n2 E‌‌=−13.6×32/22 E‌‌=−30.6eV ‌‌=−30.6×1.6×10−19 ‌‌=4.905×10−18J Radius of second Bohr's orbit in Li+is given by R=0.529n2/Z R=0.529×22/3 R=0.7053Å=0.0705nm