Q:

‘Half-life’ when applied to atoms of a radioactive isotope refers to the:

0

‘Half-life’ when applied to atoms of a radioactive isotope refers to the:


  1. midpoint of the time span for which the isotope will emit its radiation.
  2. effective time for which the isotope is considered to be dangerous.
  3. length of time taken for half of the isotope to emit its radiation.
  4. time after which the radioactivity of the sample is half of its original value.

All Answers

need an explanation for this answer? contact us directly to get an explanation for this answer

C: This is the best answer. Half-life refers to the atoms of an isotope of the one element. The daughter nuclei may themselves also be radioactive and so contribute to the radioactivity of the samp

need an explanation for this answer? contact us directly to get an explanation for this answer

total answers (1)

Similar questions


need a help?


find thousands of online teachers now