Which of the following are assumptions in the radioactive dating process (note t

Question

Which of the following are assumptions in the radioactive dating process (note that there is more than one answer (as indicated by square boxes instead of circular) and you must tick all correct answers). There is an even distribution of radionucides throughout the sample. No new parent atoms are introduced since the sample was formed. All atoms of the daughter species present are due to the decay of the parent. No daughter atoms escape from the sample. QUESTION 15 1 points Save Ans Two radioisotopes decay via alpha radiation. One has a high energy decay and the other has a low energy decay. Which one has the shorter half life? The energy makes no difference to the half life in alpha decay. Insufficient information to answer. The one with the higher energy decay. The one with the lower energy decay QUESTION 16 1 points Save Ans Prompt neutrons are called prompt because: They are the same as fast neutrons They are emitted at the instant of fission (or very soon after) They travel fast They lose energy more quickly than other neutrons.

Explanation / Answer

14) All four options are correct.

No parent atoms are added or daughter atoms are removed in between.It is treated as isolated system. All the daughter atoms are there due to decay only. All atoms decay with constant rate.

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