Positives of Radioactivity Flashcards
1
Q
why is radiation harmful?
A
cause atoms in other substances to be ionized
2
Q
what are free radicals?
A
alpha and beta particles have enough mass and/or energy to remove electrons from atoms producing reactive particles
3
Q
where are Radioisotopes used?
A
industry and research, and also in the medical field
4
Q
what are tracers?
A
used to follow the movement of substances through liquids (such as sediment movement in rivers and movement of substances in the blood).
5
Q
where else are Radioactive isotopes used?
A
smoke detectors, soil analysis, pollution testing, measuring the thickness of objects and criminology.
6
Q
how is radioactive isotopes used in the medical field?
A
x-rays, to kill cancer cells or prevent them from multiplying and used to treat cancer
