X-ray are a stream of
Electrons
Photons
Phonons
protons
x rays are stream of electrons and not photons proof :https://www.google.co.in/search?q=x+rays+are+stream+of+electrons&rlz=1C1ASRM_enIN614IN661&oq=x+rays+are+stream+of+electrons&aqs=chrome..69i57&sourceid=chrome&ie=UTF-8