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Chemistry, 30.12.2021 03:20 andybiersack154

naturally occurring thallium consists of two stableisotopes, tl-203 and tl-205 (atomic masses = 203.0 and205.0, respectively) and has an average atomic mass of204.4. what is the percentage of tl-205?

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naturally occurring thallium consists of two stableisotopes, tl-203 and tl-205 (atomic masses = 203....
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