Across
- 5. - electron maintained in orbit by
- 8. Number of waves passing a point per second.
- 9. The process of removing or adding an electron to form ions.
- 12. A high-energy electromagnetic wave capable of penetrating matter.
- 14. - two or more atoms joined by chemical bonds, the smallest
- 15. - Energy traveling through space or matter.
- 17. Distance between wave crests; shorter = higher energy.
- 18. anything that occupies space and has mass
- 19. - (1) a central nucleus and (2) orbiting electrons
Down
- 1. -are fast-moving electrons emitted from the nucleus of radioactive atoms.
- 2. The process of making radiographic images using x-rays.
- 3. - A bundle (quantum) of energy with no mass or charge.
- 4. Radiation- Energy that moves in waves and has no mass (includes x-rays, light, microwaves).
- 6. The study and use of radiation in diagnosis and treatment.
- 7. - tiny particles of matter that possess mass and travel in straight lines and at high speeds
- 10. - protons and neutrons
- 11. - positive charge
- 13. Negative charge
- 16. -The image produced when X-rays pass through tissues.