CHMM Practice Exam 2023 with 100% correct answers

When polonium (atomic mass 210 & atomic number 84) emits an alpha particle, which of the following decay products results? a. Bismuth (atomic mass 209 & atomic number 83) b. Lead (atomic mass 206 & atomic number 82) c. Thallium (atomic mass 204 & atomic number 81) d. Mercury (atomic mass 201 & atomic number 80) - correct answer b. Lead (atomic mass 206 & atomic number 82) Atomic Mass is: a. the number of protons in the nucleus b. the total number of protons & neutrons in the nucleus c. a nuclear particle that has an atomic weight of one and is electrically neutral d. a particle that contains all the positive charge and essentially all the weight of the atom - correct answer b. the total number of protons & neutrons in the nucleus Which of the following is not a chemical asphyxiant? a. carbon monoxide b. carbon dioxide c. hydrogen sulfide d. hydrogen cyanide - correct answer c. hydrogen sulfide Which of the following displaces oxygen but does not actually interfere with the human body's ability to use oxygen? a. carbon dioxide b. nitrogen c. noble gases d. all of the above - correct answer d. all of the above Which of the