Chapter 2 Flashcards
Which of the following electrons has the greatest binding energy?
A. N Shell electrons
B. M Shell electrons
C. L Shell electrons
D. K Shell electrons
K shell electrons
What type of electrical charge does the electron carry?
A. Positive charge
B. Negative charge
C. No charge
D. Positive or negative charge
Negative charge
Which term describes two or more atoms that are joined by chemical bonds?
A Ion
B Ion pair
C Molecule
D Proton
Molecule
Which term describes the process by which unstable atoms undergo spontaneous disintegration in an effort to attain a more balanced nuclear state?
A. Radiation
B. Radioactivity
C. Ionization
D. Ionizing Radiation
Radioactivity
Which of the following is not a type of particulate radiation?
A. Alpha particles
B. Beta particles
C. Protons
D. Nucleons
Nucleons
Which of the following is not a type of electromagnetic radiation?
A. Electrons
B. Radar waves
C. Microwaves
D. X-rays
Electrons
Which of the following statements is incorrect?
A. Velocity is the speed of a wave
B. Wavelength is the distance between waves
C. Frequency is the number of wavelengths that passed a given point in a certain amount of time
D. Frequency and wavelength are inversely related
Wavelength is the distance between waves
Which of the following statements is incorrect?
A. X-rays travel at the speed of sound
B. X-rays have no charge
C. X-rays cannot be focus to a point
D. X-rays cause ionization
X-rays travel at the speed of sound
Which of the following statements is correct?
A. X-rays are a form of electromagnetic radiation; visible light is not
B. X-rays have more energy than does visible light
C. X-rays have a longer wavelength than does visible light
D. X-rays travel more slowly than does visible light
X-rays have more energy than does visible light
Which of the following regulates the flow of electrical current to the filament of the x-ray tube?
A. High voltage circuit
B. Low-voltage circuit
C. High-voltage transformer
D. Low-voltage transformer
Low voltage circuit
