The atoms in a nickel crystal vibrate as harmonic oscillators with an angular frequency of 5.5x 10 3rad/s. The mass of a nickel atom is 9.75 x 10" kg What is the difference in energy between adjacent vibrational energy levels of nickel? (b = 6.626 x 10 - J - s, h = 1.055 x 10" J . s, 1 ev = 1.60 x 10-19 J) 0 0.031 ev 0.036 ev 0 0.019 eV 0.027 ev 0 0.023 ev