Question and answers already passed
2025
What nuclide is formed when Iodine-125 undergoes decay by electron
capture? - correct answer ✔Tellurium-125
Which of the following forms of radiation has no mass? - correct answer
✔gamma
Which process increases the atomic number of an element by one? - correct
answer ✔Beta particle emission
Rank the following in order of increasing penetrating ability: alpha particles,
beta particles, gamma rays. - correct answer ✔alpha particles < beta
particles < gamma rays
Which nuclide is formed when Gallium-68 decays by positron emission? -
correct answer ✔Zinc-68
Radon-222 decays by alpha emission to form a new nuclide. Identify the new
nuclide. - correct answer ✔Polonium-218
Predict the reaction that would result from the beta decay of Carbon14. Be
sure to identify all products in isotope form (4 points): - correct answer ✔14
14
C ---> N + O 8
6 7 -1