SOLVED

21.2Â Algorithmic Questions 1) Identify the radioactive green light that glows in the dark. A) methyl red B) radioactivity C) phosphorescence D) desensitivity E) neon 2) Which particle has the highest penetrating power? A) alpha particle B) proton particle C) gamma particle D) positron emission E) electron emission 3) Which particle has the lowest penetrating power? A) alpha particle B) beta particle C) gamma particle D) positron capture E) electron emission 4) Describe what changes occur during alpha decay. A) The mass number and atomic number decreases. B) The mass number and atomic number increases. C) The mass number increases and the atomic number decreases. D) The mass number decreases and the atomic number increases. E) The mass number and atomic number do not change. 5) Describe what changes occur during beta decay. A) The mass number and atomic number decreases. B) The mass number and atomic number increases. C) The mass number is unchanged and the atomic number decreases. D) The mass number is unchanged and the atomic number increases. E) The mass number and atomic number do not change. 6) Describe what changes occur during gamma ray emission. A) The mass number and atomic number decreases. B) The mass number and atomic number increases. C) The mass number is unchanged and the atomic number decreases. D) The mass number decreases and the atomic number is unchanged. E) The mass number and atomic number do not change. 7) Describe what changes occur during positron emission. A) The mass number and atomic number decreases. B) The mass number and atomic number increases. C) The mass number is unchanged and the atomic number decreases. D) The mass number decreases and the atomic number increases. E) The mass number and atomic number do not change. 8) Describe what changes occur during electron capture. A) The mass number and atomic number decreases. B) The mass number and atomic number increases. C) The mass number is unchanged and the atomic number decreases. D) The mass number is unchanged and the atomic number increases. E) The mass number and atomic number do not change. 9) Determine the identity of the daughter nuclide from the alpha decay of Po. A) Rn B) Pb C) Ra D) Hg E) At 10) Determine the identity of the daughter nuclide from the alpha decay of Th. A) U B) Pa C) Ra D) Ac E) Th