Your friend says that the helium used to inflate balloons is a product of radioactive decay. Another friend says "no way." With whom do you agree?
A) If helium were a product of radioactive decay, we would all be radioactive. Agree with the friend that says "no way."
B) Radioactive decay produces alpha particles, not helium. Agree with the friend that says "no way."
C) Your first friend is correct. Radioactive isotopes emit alpha particles which, in turn, capture electrons and become helium atoms.
D) Helium is an element of the periodic table, not some product of any reaction. Agree with the friend that says "no way."
C
You might also like to view...
Which of the following results from sunlight reflecting off ice crystals?
A. halos B. sun pillars C. crepuscular rays D. sun dogs
If there were no natural greenhouse effect, Earth's average global temperature would be about
A. 100°C. B. 18°C. C. 0°C. D. ?18°C.
What type of eruption is mainly responsible for producing plateau basalts? What will be an ideal response?
Which of the following is NOT a tool that scientists use to predict volcanic eruptions?
A. seismic monitoring B. volcanic gas sampling C. monitoring geophysical and groundwater changes D. monitoring topographic changes E. deep drilling and magma sampling