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An isotope of yttrium has 39 protons and 59 neutrons. What is the mass number of that isotope?
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The drawing represents the movement of particles in a substance. what changes of state can this substance undergo
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Stage in which a star’s outer layers have started to cool and grow outward?
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Asuspension of yeast cells is being grown under anaerobic conditions such that glucose is degraded to ethanol and carbon dioxide. if one wishes to follow this process by monitoring the release of 14co2, at which positions in the glucose molecule would the 14c label need to be incorporated?
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An isotope of yttrium has 39 protons and 59 neutrons. What is the mass number of that isotope?...
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