Half-life Flashcards
1
Q
What is half-life?
A
The amount of time it takes for the number of radioactive nuclei of the
isotope to halve
2
Q
What 2 things halve every half-life?
A
The number of atoms and count rate both half
3
Q
What can half-life be read off?
A
A half-life graph
4
Q
What is the half-life of carbon 14 used for?
A
It is used to age living things
