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The Br-82 nucleus has a half-life of 1.0 103 min. If you

Chemistry | 8th Edition | ISBN: 9780547125329 | Authors: Steven S. Zumdahl ISBN: 9780547125329 153

Solution for problem 31 Chapter 19

Chemistry | 8th Edition

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Chemistry | 8th Edition | ISBN: 9780547125329 | Authors: Steven S. Zumdahl

Chemistry | 8th Edition

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Problem 31

The Br-82 nucleus has a half-life of 1.0 103 min. If you wanted 1.0 g Br-82 and the delivery time was 3.0 days, what mass of NaBr should you order (assuming all of the Br in the NaBr was Br-82)?

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The Pauli exclusion principle No two electrons in an atom can have the same quantum numbers n, l, m , and m l s – this means that an orbital can never have more than two electrons in it The Aufbau or filling principle In multielectron atoms, the electrons fill up the available energy levels (orbitals) starting with the lowest available level Orbital energies The orbitals in a multielectron atom do not have the same size or energy as the corresponding orbitals in a hydrogen atom – this is because the electrons in them experience an effective nuclear charge (Z eff) that is different from 1 (one) Effective nuclear charge Each electron is attracted to the nucleus and repelled by

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Chapter 19, Problem 31 is Solved
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Textbook: Chemistry
Edition: 8
Author: Steven S. Zumdahl
ISBN: 9780547125329

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The Br-82 nucleus has a half-life of 1.0 103 min. If you