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Who is credited with arranging the periodic table? How

Chemistry: A Molecular Approach | 3rd Edition | ISBN: 9780321809247 | Authors: Nivaldo J. Tro ISBN: 9780321809247 1

Solution for problem 4E Chapter 8

Chemistry: A Molecular Approach | 3rd Edition

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Chemistry: A Molecular Approach | 3rd Edition | ISBN: 9780321809247 | Authors: Nivaldo J. Tro

Chemistry: A Molecular Approach | 3rd Edition

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Problem 4E

Who is credited with arranging the periodic table? How were elements arranged in this table?

Step-by-Step Solution:
Step 1 of 3

Solution 4E:From the diagram,And the valence electrons are distributed in 5 subshells. So it belongs to d- series element of theperiodic table.Therefore, the electronic configuration of the neutral element is 2 2 6 2 6 10 2 6 6 21s 2s 2p 3s 3p 3d 4s 4p 4d 5sAfter losing two electrons from 5s orbital , it forms 2+ cation having electronicconfiguration is (a) Therefore, the element is Ruthenium.(Ru) (b) The electronic configuration of neutral Ru atom is 1s 2s 2p 3s 3p 3d 4s 4p 4d 5s 2 2 6 2 6 10 2 6 6 2\n Ru 2+ 2+ 2 2 6 2 6 10 2 6 6The electronic configuration of Ru ion is 1s 2s 2p 3s 3p 3d 4s 4p 4d

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Chapter 8, Problem 4E is Solved
Step 3 of 3

Textbook: Chemistry: A Molecular Approach
Edition: 3
Author: Nivaldo J. Tro
ISBN: 9780321809247

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Who is credited with arranging the periodic table? How