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The top documents tagged [unstable atoms decay]
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unstable atoms decay
Chapter 8 The History of Life on Earth Evidence of the Past Some scientists look for clues to help them reconstruct what happened in the past. These.
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Nuclear Chemistry
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NUCLEAR VS. CHEMICAL CHEMICAL reactions involve rearranging of atoms: e.g., H 2 +O 2 H 2 O No new atoms are created. Chemistry involves electrons only.
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Absolute Age Finding a rock’s birthday. Absolute Age? Give an example of an absolute age of a rock layer… That rock layer is 200 million years old. Remember,
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