Lesson Worksheet: Radioactivity Chemistry
In this worksheet, we will practice explaining the concept of radioactivity.
Q1:
Which of the following is not a reason why large amounts of ionizing radiation may be harmful to living organisms?
- AIonizing radiation may inhibit cellular mitosis.
- BIonizing radiation may reduce the intracellular temperature.
- CIonizing radiation may trigger cellular apoptosis.
- DIonizing radiation may have enough energy to break chemical bonds.
- EIonizing radiation may affect the genetic information carried in cellular DNA.
Q2:
The following questions relate to the ability of different types of ionizing radiation to penetrate various substances.
Which type of ionizing radiation is able to pass through aluminum but is stopped by large quantities of concrete or several centimeters of lead?
- A particles
- B particles
- C rays
Which type of ionizing radiation is able to pass through paper but is stopped by aluminum sheeting?
- A particles
- B particles
- C rays
Which type of ionizing radiation could be stopped by a human hand?
- A particles
- B particles
- C rays
Q3:
Which of the following statements about the deflection of a stream of ionized radiation containing particles, particles, and rays in a magnetic field is true?
- A particles and particles are deflected in the same direction.
- B particles are not deflected by an electric field.
- C particles are only deflected by a small amount compared to particles.
- D particles can be deflected back toward the emitter.
- E rays are deflected in the same direction as particles.
Q4:
In general terms, why does nonionizing radiation not cause permanent damage to living cells?
- ANonionizing radiation passes straight through living organisms.
- BNonionizing radiation only travels short distances.
- CNonionizing radiation does not have enough energy to damage cells.
- DNonionizing radiation cannot penetrate living cells.
- ECell exposure to nonionizing radiation is minimal.
Q5:
Which of the following is an example of ionizing radiation?
- AIR rays
- BCosmic rays
- CLight rays
- DMicrowaves
- ERadio waves
Q6:
Identify the incorrect statement relating to deflections in an electric field of a stream of ionized radiation containing particles, particles, and rays.
- A particles are deflected less than particles.
- BAn electric field creates a large deflection in the stream of particles.
- C particles are deflected in the opposite direction to particles.
- D rays are not deflected by an electric field.
- EThe streams of particles and particles are separated.
Q7:
Nuclide notation is used to represent different types of ionizing radiation. Which type of ionizing radiation is represented by the nuclide notation ?
- AGamma rays
- BBeta particles
- CX-rays
- DAlpha particles
Q8:
Ionizing radiation has many practical applications. In which of the following devices or processes is ionizing radiation not used?
- ASmoke detectors
- BMedical imaging
- CRadars
- DDisinfecting medical instruments
- EFood irradiation
Q9:
Greek letters are used to represent different types of ionizing radiation. Which type of ionizing radiation is represented by ?
- AX-rays
- BBeta particles
- CGamma rays
- DAlpha particles
Q10:
Which of the following is the correct descending order of different types of radiation according to their penetration power?
- AGamma rays, beta particles, alpha particles
- BAlpha particles, gamma rays, beta particles
- CAlpha particles, beta particles, gamma rays
- DGamma rays, alpha particles, beta particles
- EBeta particles, alpha particles, gamma rays
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