Just finished completitng this kind of info in the course that I am taking! X-rays contain the most energy, and microwaves would have the longest wavelength.
Higher frequency= more energy
If you want to add it to your notes, this is EMR listed in order from highest frequency/highest energy, to lowest frequency/ lowest energy.
Gamme rays, X-rays, UV, Visible light, Infrared, Microwave, and radio waves.
So, Gamme rays have the highest energy and frequency, and radio waves havethe lowest.