Naturally occurring tungsten metal is composed of three stable isotopes: 182 74W, with a natural abundance of 25%; 183 74W, abundance 14%; and 18474W, abundance 31%. Tungsten also has the highest melting point of any element at 3695 K. If a sample of tungsten were held at its melting point for 10 h, would you expect the natural abundances of its isotopes to change? If so, which would increase the most? Which would decrease the most?

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Chapter2: Atoms And Molecules
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Problem 2.90PAE: 2.90 Naturally occurring europium has an average atomic weight of 151.964 amu. If the only isotopes...
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Naturally occurring tungsten metal is composed of three stable isotopes: 182 74W, with a natural abundance of 25%; 183 74W, abundance 14%; and 184
74W, abundance 31%. Tungsten also has the highest melting point of any element at 3695 K. If a sample of tungsten were held at its melting point for 10 h, would you expect the natural abundances of its isotopes to change? If so, which would increase the most? Which would decrease the most?

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