Absolute Dating Flashcardizz Assignment

Front

What is the difference between absolute age and relative age?

Back

Only absolute dating finds the age in years.

Front

What is the method of determining the absolute ages of rocks?

Back

Radiometric dating.

Front

How many grams of Carbon-14 will remain after 17,100 years if C-14 has a half-life of 5,730 years?

Back

8 g.

Front

What is the original element that undergoes radioactive decay called?

Back

Parent element.

Front

If you had 1000 atoms of parent isotope, how many parent atoms would you have after 1 half-life?

Back

500 atoms.

Front

What is the half-life of a radioactive isotope?

Back

The time required for half of the radioactive atoms in a sample to decay.

Front

What is a daughter element?

Back

The product of the decay of a parent isotope.

Front

How does radiometric dating work?

Back

It measures the decay of radioactive isotopes to determine the age of rocks.

Front

What is the significance of Carbon-14 in dating?

Back

Carbon-14 is used to date organic materials up to about 50,000 years old.

Front

What is the formula for calculating remaining isotopes after a certain number of half-lives?

Back

Remaining isotopes = Initial amount × (1/2)^(number of half-lives).