EMR of visible or lower frequencies ( i.e. , visible light , infrared , microwaves , and radio waves ) is called non-ionizing radiation .
EMR 's photons do not individually have enough energy to ionize atoms or molecules or break chemical bonds .
EMR of visible or lower frequencies ( i.e. , visible light , infrared , microwaves , and radio waves ) is called non-ionizing radiation , because its photons do not individually have enough energy to ionize atoms or molecules or break chemical bonds .