A container holds apure sample of a radioactive substance with a half life of 2h

Question

A container holds apure sample of a radioactive substance with a half life of 2hours Which of the following statements are true? Check all that apply. After 1 hour , less than 50% of the original atoms in thecontainer will have decayed.
After 1 hour , more than 50% of the original atoms in thecontainer will have decayed.
After 2 hours , 50 % of the original atoms in the containerwill have decayed.
After 4 hours , 25 of the original atoms will havedecayed. After 4 hours, the total number of atoms in the container willbe reduced by 75%.
A container holds apure sample of a radioactive substance with a half life of 2hours After 1 hour , less than 50% of the original atoms in thecontainer will have decayed.
After 1 hour , more than 50% of the original atoms in thecontainer will have decayed.
After 2 hours , 50 % of the original atoms in the containerwill have decayed.
After 4 hours , 25 of the original atoms will havedecayed. After 4 hours, the total number of atoms in the container willbe reduced by 75%. After 4 hours, the total number of atoms in the container willbe reduced by 75%.

Explanation / Answer

A and C

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