Question

The basic principle behind the analysis of compounds using infrared spectroscopy is the

1)absorption of radiation by nuclei placed in a magnetic field.
2)movement of electrons between different atomic energy levels.
3)bending or stretching of covalent bonds in molecules.
4)movement of electrons between molecular energy level

Answer 1

Answer:

I am also not sure of your 4 you can help you with a photo shoot you a call from where you