Chapter 18, Problem 6RQ

Interpretation Introduction

Interpretation: The theory behind carbon-14 dating is to be explained. The assumptions and problems that arise while using carbon dating is to be explained. The reason for ${}^{\text{238}}\text{U}$ decay to ${}^{\text{206}}\text{Pb}$ to be useful in dating rocks is to be stated. The reason for inefficiency of carbon dating in dating rocks is to be stated.

Concept introduction: Carbon -12 atoms are high in abundance and they are quite stable. But carbon -14 is radioactive and unstable. They are formed at steady rate. Half life of carbon-14 is 5730 years.

To determine: The theory behind carbon-14 dating, assumptions and problems that arise while using it, reason for ${}^{\text{238}}\text{U}$ decay to ${}^{\text{206}}\text{Pb}$ to be useful in dating rocks and its inefficiency in dating rocks.