Topic 12 - 12.2 - Alpha and Beta Equations, Half-Lives Flashcards
1
Q
What does a half life measure?
A
Half life of a radioisotope is the average time it takes for:
* Number of nuclei in the radioisotope in a sample to halve
* Count rate from the isotope in a sample to become half of its initial value
2
Q
What is carbon dating?
A
Scientific method used to determine the age of organic materials by measuring the amount of C14 remaining in the sample.