Author Question: For 1 gram of radioactive material that has a half-life of one year, after 4 years the original ... (Read 81 times)

HudsonKB16 · **on:** Jul 29, 2018

For 1 gram of radioactive material that has a half-life of one year, after 4 years the original radioactive material left will be

A) 0 g.
B) 1/2 g.
C) 1/4 g.
D) 1/8 g.
E) none of the above

Question 2

For an isotope with a half-life of one day, at the end of two days the amount that remains is

A) none.
B) one-half.
C) one-quarter.
D) one-eighth.
E) none of the above