Thallium has two stable isotopes, 203 Tl and 205 Tl. Knowing that the atomic weight of thallium
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Thallium has two stable isotopes, 203Tl and 205Tl. Knowing that the atomic weight of thallium is 204.4, which isotope is the more abundant of the two?
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EXAMPLE 2.2 Calculating Atomic Weight from Isotope Abundance Problem Bromine has two naturally occurring isotopes. One has a mass of 78.918338 u and an abundance of 50.69%. The other isotope has a mass of 80.916291 u and an abun- dance of 49.31%. Calculate the atomic weight of bromine. What Do You Know? You know the mass and abundance of each of the two isotopes. Strategy The atomic weight of any element is the weighted average of the masses of the isotopes in a representative sample. Use Equation 2.2 to calculate the atomic weight.
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Thallium has two stable isotopes 20 TI and 205T1 K...View the full answer
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Saud Ur Rehman
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Related Book For
Chemistry And Chemical Reactivity
ISBN: 9780357001172
10th Edition
Authors: John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
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