Flashcards
Radioactivity
Flashcards do conjunto (10)
- 1Radioactive atomsAtoms that are not stable and change form over time
- 2Radioactive DecayWhen ratio of neutrons:protons is to high, and unessary matter is release to form a more stable isotope.
- 3RadiationMatter released from an atom during radioactive decay
- 4Why does radiation occur?To create a more stable nuclei by releasing unessecary matter
- 5Background radiationRadiation that exist all around us from various sources.
- 6Geiger CounterMeasures radiation
- 7Marie CurieBorn in Warsaw Poland and married Pierre curie. 1903 a Nobel prize awarded to Pierre,Marie and Henri Bequerel. She died researching radiation. Rutherford's work would not have been possible without research on radiation.
- 8Hydrogen 3Is unstable and releases a b particle
- 9RadionuclideA type of radioactive isotope that is either synthetic or natural
- 10Carbon DatingThe use of carbon-14 to determine the age of an object through the knowledge of its half life
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- Science (Chemistry) FlashCards sobre Radioactivity, criado por ioannis_lion em 06-04-2014.
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