Ionizing Radiation (11/27)

Question 1

What are the only known radioactive elements?

Answer 1

uranium and thorium

Question 2

What is radioactivity

Answer 2

Spontaneous emission from particles/energy from unstable nuclei

Question 3

Biological effects of ionizing radiation

Answer 3

• Acute: radiation sickness
• Chronic
  •Cancer
  •Decreased lifespan
  •Cataracts
  •Teratogenesis
• Genetic

Question 4

deterministic (health effect)

Answer 4

effect is certain under specific conditions

Question 5

stochastic

Answer 5

effect may or may not occur.. effects seen at population level, maybe not individual