Which method to determine the age of artifacts measures the rate of decay in atoms?

Kalium Argon dating

Kalium or Potassium radioactive atom that commonly found in stone or artifact. Since Kalium is radioactive, it will be reduced and converted into another atom(in this case argon) after a set of time. You can determine the time elapsed by comparing the Kalium with argon mass.

Ive never heard of creep meters

Answerlosing electrons;