Radiation Physics Exam Questions and Answers With Verified Solutions 2025
K-shell electrons - ✔✔has the greatest binding energy
the electron carries a ____________ charge - ✔✔negative
2 or more atoms that are joined by __________ bonds. - ✔✔chemical
________________ is when an atom looses an electron - ✔✔ionization
Radioactivity - ✔✔the process by which unstable atoms undergo a spontaneous disintegration in an
effort to attain a more balanced nuclear state.
Matter - ✔✔anything that occupies space and has mass
when matter is altered__________ results - ✔✔energy
Radiation - ✔✔the emission & propagation of energy through space or substance in the form of waves
or particles
electromagnetic radiation - ✔✔movement of energy through space or matter in a wavelike energy
without mass
ionizing radiation - ✔✔radiation that is capable of producing ions by removing or adding an electron to
an atom; classified into 2 groups particulate and electromagnetic radiation
Particulate radiation - ✔✔tiny particles of matter that posses mass and travel in straight lines and at
high speeds
electrons - ✔✔(-) can be classified as beta particles or cathode rays
K-shell electrons - ✔✔has the greatest binding energy
the electron carries a ____________ charge - ✔✔negative
2 or more atoms that are joined by __________ bonds. - ✔✔chemical
________________ is when an atom looses an electron - ✔✔ionization
Radioactivity - ✔✔the process by which unstable atoms undergo a spontaneous disintegration in an
effort to attain a more balanced nuclear state.
Matter - ✔✔anything that occupies space and has mass
when matter is altered__________ results - ✔✔energy
Radiation - ✔✔the emission & propagation of energy through space or substance in the form of waves
or particles
electromagnetic radiation - ✔✔movement of energy through space or matter in a wavelike energy
without mass
ionizing radiation - ✔✔radiation that is capable of producing ions by removing or adding an electron to
an atom; classified into 2 groups particulate and electromagnetic radiation
Particulate radiation - ✔✔tiny particles of matter that posses mass and travel in straight lines and at
high speeds
electrons - ✔✔(-) can be classified as beta particles or cathode rays
