Radiation Physics Exam Questions With
Correct Answers 100% Verified.
K-shell electrons - Answer✔has the greatest binding energy
the electron carries a ____________ charge - Answer✔negative
2 or more atoms that are joined by __________ bonds. - Answer✔chemical
________________ is when an atom looses an electron - Answer✔ionization
Radioactivity - Answer✔the process by which unstable atoms undergo a spontaneous
disintegration in an effort to attain a more balanced nuclear state.
Matter - Answer✔anything that occupies space and has mass
when matter is altered__________ results - Answer✔energy
Radiation - Answer✔the emission & propagation of energy through space or substance in the
form of waves or particles
electromagnetic radiation - Answer✔movement of energy through space or matter in a
wavelike energy without mass
ionizing radiation - Answer✔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 - Answer✔tiny particles of matter that posses mass and travel in straight
lines and at high speeds
electrons - Answer✔(-) can be classified as beta particles or cathode rays
beta particles - Answer✔fast moving electrons emitted from the nucleus of radioactive atoms
cathode rays - Answer✔streams of high-speed electrons that originate in an x-ray tube
alpha particles - Answer✔emitted from the nuclei of heavy metals and exist as 2 protons and
neutrons, without electrons
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