Deuterium is an isotope of hydrogen which has one proton and one neutron in its nucleus, as opposed to just a single proton. Consequently, the deuterium molecule (D2) has twice the mass of a hydrogen molecule (H2). If H2 has a vibrational frequency of 1.30 ✕ 1014 Hz, what is the vibrational frequency of D2 (in Hz)? Assume that the "spring constant" is the same for the two molecules. (This is because the force between the two atoms in the molecule depends on the electrons and the electric charges, which are the same for the two molecules, and not on the masses of the nuclei.) ----- Hz

Deuterium is an isotope of hydrogen which has one proton and one neutron in its nucleus, as opposed to just a single proton. Consequently, the deuterium molecule (D2) has twice the mass of a hydrogen molecule (H2). If H2 has a vibrational frequency of 1.30 ✕ 1014 Hz, what is the vibrational frequency of D2 (in Hz)? Assume that the "spring constant" is the same for the two molecules. (This is because the force between the two atoms in the molecule depends on the electrons and the electric charges, which are the same for the two molecules, and not on the masses of the nuclei.) ----- Hz

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