Radon Certification
Radon Gas Characteristics
• Correct Answer: not detected by human senses
• naturally occurring
• chemically unreactive
The nucleus of an atom consists of ____________ and ______________
• Correct Answer: protons and neutrons
What characteristic of an atom determines the charge?
• Correct Answer: Electrons
What characteristic of an atom determines the isotope?
• Correct Answer: Neutrons
What characteristic of an atom determines the element I.D?
• Correct Answer: Protons
What determines the atomic mass number?
• Correct Answer: The number of protons AND neutrons
,What is the annual average indoor radon level in the U.S?
• Correct Answer: 1.3
What is the annual average outdoor radon level in the U.S?
• Correct Answer: 0.4
What is the definition of a half-life?
• Correct Answer: The time required for HALF of the material to decay
______________ is an atom that has lost or gained electrons
• Correct Answer: Ion
1 picocurie per liter of radon is defined as
• Correct Answer: 2.22 disintegrations per minute within one liter of air
How long does it take for radon gas to reach secular equilibrium?
• Correct Answer: 4 hours
Higher air flow makes ER ________________
• Correct Answer: Decrease
Lower air flow makes ER _________________
• Correct Answer: Increase
, [Working Level(100)]/(pCi/L)
• Correct Answer: Equilibrium Ratio Equation
Radon decay products primarily responsible for damage to lung cells
• Correct Answer: Polonium 218 and Polonium 214
______________ is a measure of exposure to radon decay products
• Correct Answer: Working Level Month
The largest single contributor to a person’s total exposure to all forms of
radiation will come from:
• Correct Answer: Radon gas
A person who smokes is _____ times more likely to contract lung cancer from
radon
• Correct Answer: 15
4 factors that influence the strength of the Radon source in the soil
• Correct Answer:
1. Radium content of the soil
2. Size of the soil particles
3. Permeability of the soil
4. Forces pushing and pulling through the soil
4 driving forces responsible for Radon entry
Radon Gas Characteristics
• Correct Answer: not detected by human senses
• naturally occurring
• chemically unreactive
The nucleus of an atom consists of ____________ and ______________
• Correct Answer: protons and neutrons
What characteristic of an atom determines the charge?
• Correct Answer: Electrons
What characteristic of an atom determines the isotope?
• Correct Answer: Neutrons
What characteristic of an atom determines the element I.D?
• Correct Answer: Protons
What determines the atomic mass number?
• Correct Answer: The number of protons AND neutrons
,What is the annual average indoor radon level in the U.S?
• Correct Answer: 1.3
What is the annual average outdoor radon level in the U.S?
• Correct Answer: 0.4
What is the definition of a half-life?
• Correct Answer: The time required for HALF of the material to decay
______________ is an atom that has lost or gained electrons
• Correct Answer: Ion
1 picocurie per liter of radon is defined as
• Correct Answer: 2.22 disintegrations per minute within one liter of air
How long does it take for radon gas to reach secular equilibrium?
• Correct Answer: 4 hours
Higher air flow makes ER ________________
• Correct Answer: Decrease
Lower air flow makes ER _________________
• Correct Answer: Increase
, [Working Level(100)]/(pCi/L)
• Correct Answer: Equilibrium Ratio Equation
Radon decay products primarily responsible for damage to lung cells
• Correct Answer: Polonium 218 and Polonium 214
______________ is a measure of exposure to radon decay products
• Correct Answer: Working Level Month
The largest single contributor to a person’s total exposure to all forms of
radiation will come from:
• Correct Answer: Radon gas
A person who smokes is _____ times more likely to contract lung cancer from
radon
• Correct Answer: 15
4 factors that influence the strength of the Radon source in the soil
• Correct Answer:
1. Radium content of the soil
2. Size of the soil particles
3. Permeability of the soil
4. Forces pushing and pulling through the soil
4 driving forces responsible for Radon entry
