Across
- 3. Electric and magnetic fields that fluctuate rapidly as they travel through space
- 9. The conversion of a neutral atom to a charged entity by removing one or more electrons from the atom or by adding an electron to a neutral atom
- 10. A radiation quantity used for radiation protection purposes when a person receives exposure from various types of ionizing radiation
- 11. The amount of energy per unit mass transferred to atoms in biologic tissue by ionizing radiation is the basis of this concept
- 14. Results from nonnegligible exposure to ionizing radiation
- 15. A subunit of the gray in the SI
- 18. Quantity that is used for radiation protection purposes to provide a measure of the overall risk of exposure to humans from ionizing radiation
- 19. Naturally occurring process in which unstable nuclei relieve that instability by various types of spontaneous nuclear emissions, one of which is the emission of charged particles
- 20. Colorless, odorless, heavy radioactive gas that, along with its own decay products, is always present to some degree in the air
- 21. Radiation composed of interacting, varying electric and magnetic fields that propagate through space at the speed of light
- 22. Ionizing radiation from environmental sources, including radioactive materials in the earth, cosmic radiation from space, and radionuclides deposited in the human body via the food chain
Down
- 1. The full range of frequencies and wavelengths of electromagnetic waves
- 2. Form of radiation that includes alpha particles, beta particles, neutrons and protons
- 4. A subunit of the sievert
- 5. Ionizing radiation created by humans for various uses
- 6. The amount of energy per unit mass absorbed by an irradiated object
- 7. Atoms that have the same number of protons within the nucleus but have different numbers of neutrons
- 8. An unstable nucleus that emits one or more forms of ionizing radiation to achieve stability
- 12. Caused by ejecting electrons from the atoms, composing the tissue
- 13. Isotopes of a particular element that are unstable because of their neutron-proton configuration
- 16. Energy that passes from one location to another
- 17. Destructive radiation interaction at the atomic level results in molecular change