The properties/characteristics of x-rays include which of th…

The properties/characteristics of x-rays include which of the following? 1. not perceptible by the senses 2. ionizing action in air 3. travelĀ  at the speed of sound 4. homogeneous in nature 5. penetrating effect on all forms of matter 6. behave both as waves and particles 7. eclectically charged 8. luminescent effect on living tissue 9. travel in straight lines