Radioactive Decay and Half-Life Quiz

$T_{1/2} = rac{ln 2}{rac{1}{ au}}$ (correct)

$T_{1/2} = rac{1}{rac{ln 2}{ au}}$

$T_{1/2} = rac{1}{ au}$

$T_{1/2} = rac{ln 2}{ au}$

The time it takes for half of a substance to decay spontaneously.

The average time a radioactive isotope exists before its decay.

The period in which a substance loses half its quantity due to natural processes in the body. (correct)

A constant associated with the rate of radioactive decay.

The decay constant for the isotopes.

The total number of isotopes after time t.

The initial number of undecayed nuclei.

The number of undecayed nuclei at time t. (correct)

<p>Heavy decay processes.</p> Signup and view all the answers

<p>Both B and C are correct.</p> Signup and view all the answers