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Electron Configurations from the Periodic Table (a) Based

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

Solution for problem 1PE Chapter 6.9SE

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 1PE

Electron Configurations from the Periodic Table (a) Based on its position in the periodic table, write the condensed electron configuration for bismuth, element 83. (b) How many unpaired electrons does a bismuth atom have? A certain atom has an [noble gas]5s24cf105p4 electron configuration. Which element is it? (a) Cd (b) Te (c) Sm (d) Hg (e) More information is needed Solution: Here, we are going to identify the element having electronic configuration [noble 2? 10? 4 gas]5s? 4d? 5p?

Step-by-Step Solution:
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Solution 1PE Step1: The distribution of electrons in different orbitals is known as electronic configuration of the atom. The filling of orbitals are governed by the following rules: a) Aufbau principle: The Aufbau principle states that in the ground state(lowest energy state) of an atom, an electron enters the orbital of lowest energy first and subsequent electrons are fed in the order of increasing energies. The orbital should be filled in the following sequence: 1s, 2s, 2p, 3s, 3p, 4s, 3d, 4p, 5s, 4d, 5p, ………. b) Pauli’s exclusion principle: According to this principle an orbital can accommodate maximum of two electrons and these must have opposite spins. c) Hund’s rule of maximum multiplicity: According to this rule, electron pairing will not take place in orbitals of same energy(subshell) until each orbital is singly filled. For example, there are three p- orbitals(p , p and px) y the p zsubshell in a principal energy level. According to Hund’s rule, each of the three p-orbitals must get one electron of parallel spin before any one of them receives the second electron of opposite spin. The three rules are applied simultaneously to get the electronic configuration. In writing the electronic configuration, an orbital is shown by using its proper symbol.The...

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Chapter 6.9SE, Problem 1PE is Solved
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Textbook: Chemistry: A Molecular Approach
Edition: 3
Author: Nivaldo J. Tro
ISBN: 9780321809247

This full solution covers the following key subjects: element, electron, configuration, periodic, bismuth. This expansive textbook survival guide covers 82 chapters, and 9454 solutions. Since the solution to 1PE from 6.9SE chapter was answered, more than 308 students have viewed the full step-by-step answer. The answer to “Electron Configurations from the Periodic Table (a) Based on its position in the periodic table, write the condensed electron configuration for bismuth, element 83. (b) How many unpaired electrons does a bismuth atom have? A certain atom has an [noble gas]5s24cf105p4 electron configuration. Which element is it? (a) Cd (b) Te (c) Sm (d) Hg (e) More information is needed Solution: Here, we are going to identify the element having electronic configuration [noble 2? 10? 4 gas]5s? 4d? 5p?” is broken down into a number of easy to follow steps, and 79 words. This textbook survival guide was created for the textbook: Chemistry: A Molecular Approach, edition: 3. Chemistry: A Molecular Approach was written by and is associated to the ISBN: 9780321809247. The full step-by-step solution to problem: 1PE from chapter: 6.9SE was answered by , our top Chemistry solution expert on 02/22/17, 04:35PM.

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