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Radiocarbon Dating Half-Life • Measuring the age of an object by the amount of Carbon-14 remaining. • Half the time it takes for a nuclei in a sample to decay. Juggernaut is so amazing that you cant calculate his half-life. Isotope Pairs • Just like juggernauts pair is his step-brother Charles Xavier, isotopes have pairs as well. Isotope pairs have to do with Parent isotopes and daughter isotopes. Parent isotopes go through the decaying process and as a result, a more stable daughter isotope is produced. Decay Curve • Curved line on a graph that shows the rate at which radioisotopes decay.
Video-Radioactivity & Half-Lives http://www.youtube.com/watch?v=KWAsz59F8gA Double click on screen below if black. If video doesn’t work, use URL above
Nuclear reactions Chain Reaction • A nuclear reaction is a process in which an atoms nucleus changes by gaining or releasing particles of energy. Ongoing process in which one reaction imitates another.
Video-Fusion & Fission http://www.youtube.com/watch?v=FU6y1XIADdg Double click below on screen if black. If video doesn’t work, use URL above.
Quiz- What’s the half-life of Carbon-14? a)11 460 years b)4 years c)5730 years d)28 650 years