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Iwinnosa Igiehon Chemistry International Baccalaureate Englisch 7 Karten

Karten in diesem Stapel (7)

  1. 1Rutherford's Gold Leaf ExperimentAlpha particles deflected showing presence of Positive Nucleus
  2. 2AnionsNegative ions that are formed when an atom gains electrons
  3. 3CationsPositive ions that are formed when an atom loses electrons
  4. 4IsotopesIsotopes are atoms of the same element with different mass numbers
  5. 5List Some RadioisotopesCarbon-14
    Cobalt- 60
    Iodine - 131
  6. 6Uses of RadioisotopesCarbon 14 is used for Carbon Dating
    Cobalt 60 is used in radiotherapy treatment for cancer
    Iodine 131 is used as a medical tracer
  7. 7How is Carbon-14 used in Carbon dating?The relative abundance of carbon-14 in living organisms is constant due to constant replenishment. When organisms die the carbon-14 is no longer replenished then go to the process of nuclear decay and falls according to its half life. This time scale is then used in determining the age of the artifact

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International Baccalaureate Chemistry Karteikarten am Ohne Titel, erstellt von Iwinnosa Igiehon am 29/02/2016.
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