Radon Exam Questions and Answers 100%
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Nucleus of an atom Correct Answer-Contains one or more positively charged
protons and uncharged neutrons
Number of protons Correct Answer-Atomic number of an element reflects
the....
Mass = Correct Answer-Number of protons and neutrons
Radon 222 ...
Greater health risk, damaging DNA molecules of living cells
Relatively massive but low penetrating power and slow in movement
Gamma Rays Correct Answer-High penetrating power and move at speed of
light
Level of radioactivity Correct Answer-Measured in curies
One picoCurie Correct Answer-1 trillionth of a curie
, Radon Exam Questions and Answers 100%
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One pCi/L Correct Answer-2.22 disintegrations per minute/per liter of air
Radon decay products (RDP) Correct Answer-Radon decays into a series of
elements and isotopes
- First 4 have a short half-life (30 minutes or less)
- Polonium 218 & polonium 214
- Lead 214 & Bismuth 214
Measured in working levels
(particles, chemically reactive, static electrical charge, major health risk b/c stick
to lungs)
Working Level (WL) Correct Answer-Concentration of RDPs in air
- Alpha energy released from polonium
Secular equilibrium Correct Answer-4 hours
Quantities of each of the RDPs has reached the same radioactivity as the radon
forming them
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