The accompanying table provides the identity of the two naturally occurring isotopes for four elements and theatomic

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The accompanying table provides the identity of the two naturally occurring isotopes for four elements and the atomic weights for those elements. (In each case, the two isotopes differ in mass number by two.) Which element has the mass spectrum shown? Explain your answer.

Isotopes 121b, 123 Sb 185 Re, 187 Re 1Ir, 193 Ir 203 Tl, 205 TI Signal Atomic weight (amu) 121.8 186.2 192.2

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Chemistry For Engineering Students

ISBN: 9780357026991

4th Edition

Authors: Lawrence S. Brown, Tom Holme

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