1. What electrons have the greatest binding energy?
a. N-shell
b. M-shell
c. L-shell
d. K-shell: K-shell
2. What type of electrical charge does the electron cary?: negative
3. Which term describes two or more atoms that are joined by chemical bonds?: molecule
4. Which statement describes ionization?: atom that loses an electron
5. Which term describes the process by which unstable atoms undergo spon- taneous disintegration in an effort
to attain a more balanced nuclear state?: - radioactivity
6. Which is NOT a type of particulate radiation?: nucleons
7. Which is NOT a type of electromagnetic radiation?: electrons
8. Which statement is incorrect?
Velocity is the speed of a wave. Wavelength is the distance
between waves.
Frequency is the number of wavelengths that pass a given point in a certain amount of time.
Frequency and wavelength are inversely related.: Wavelength is the distance between waves.
9. Which statement is incorrect?
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, Rad. Exam 1-End of chapter questions
X-rays travel at the speed of sound X-rays have no
charge
X-rays cannot be focused to a point
X-rays cause ionization: X-rays travel at the speed of sound
10.Which statement is correct?
X-rays are a form of electromagnetic radiation; visible light is not. X-rays have more energy
than does visible light
X-rays have a longer wavelength than does visible light.
X-rays travel more slowly than does visible light.: X-rays have more energy than does visible light
11.Which regulates the flow of electrical current to the filament of the x-ray tube?: low-voltage circuit, or
filament circuit
12.Which is used to increase the voltage in the high voltage circuit?: step-up transformer
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