Chmm practice exam Study guides, Class notes & Summaries

CHMM Final Exam Questions With 100% Correct Answers | Latest Update Graded A+ (2023/2024). Cobalt-60 has a 5 year half life. If the initial activity of a Cobalt-60 source is 20 mCi, what is the activity after 10 years in mCi? a. 5 b. 0 c. 2 d. 10 - Answer a. 5 The exposure rate at a distance of 1 foot from a radioactive source is 20 rnR/hr. What is the exposure rate in mR/hr. at 10 feet? a. 0.1 b. 0.2 c. 0.3 d. 0.4 - Answer b. 0.2 Which of the following is not regulated by EPA as an ...

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) - ️️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 nuclea...

CHMM Exam Practice (CHMM) Questions With 100% Correct Answers | Latest Update Graded A+. 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) - Answer b. Lead (atomic mass 206 & atomic number 82) Atomic Mass is: a. the number of pro...

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) - 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 nucle...

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) - 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 nuc...

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) - 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 nucle...

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) - 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 nucle...

CHMM Practice Exam(CHMM)Questions And Answers 2023