Mod15_L2 Radioactive Dating.doc - Module 15 Lesson 2...

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Module 15 Lesson 2 Practice ActivityRadioactive DatingAuthor: Chris Bires, revised 3/2012Simulations atIntroduction:Dead things decay into simpler molecules.Radioactive particles decay.Is it the same kindof decay?What does it mean when a substance is radioactive?In this simulation, you will investigate theconcept of half-life.Define These Words:(use your notes, your book, or the internet),1.Neutron-The neutron is a subatomic particle, with no net electric charge2.Isotope-Each of two or more forms of the same element that contain equal numbers of protons butdifferent numbers of neutrons in their nuclei, and hence differ in relative atomic mass but not inchemical properties; in particular, a radioactive form of an element3.Radiocarbon Dating-a method for determining the age of an object containing organic material byusing the properties of radiocarbon, a radioactive isotope of carbon4.Half-Life-is the time required for a quantity to reduce to half its initial value5.Decay (as used in half-life)-Change of an element into a different element, usually with some otherparticle(s) and energy emitted

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Term
Spring
Professor
N/A
Tags
Radioactive Dating, Mole, pH, Radioactive Decay, Carbon 14, Isotope, Chris Bires

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