The graph will drop steeply for very unstable nuclei but show a very small gradient if more stable. The others are not radioactive. The half-life of a radioisotope. Notice how the count rate falls to half its previous value every four days. The half - life of carbon - 14 is 5years. Radioactive dating Carbon dating Carbon has a large number of stable isotopes.
Nucleus changes in radioactive decay?
Uses and hazards of radiation
It means in one half-life of time, on average, half of the undecayed unstable nuclei of a particular isotope disintegrate. A graph showing how the amount of carbon atoms in a sample would change over time Calculating net decline - Higher Radioactive decay causes a reduction in the number of unstable nuclei in a sample. This graph shows the pattern of the decay. Radiocarbon or Carbon dating is a technique used by scientist to date bones, wood, paper and cloth. What is relative atomic mass? Enter chemistry words e. Have your say about doc b's website.