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What is shielding? In an atom, which electrons tend to do

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

Solution for problem 9E 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 9E

Problem 9E

What is shielding? In an atom, which electrons tend to do the most shielding (core electrons or valence electrons)?

Step-by-Step Solution:
Step 1 of 3

Solution 9E: (a) Valence electron is the electron which is associated with the atom which is participated in the bond formation. Therefore, valence electrons are present in the outermost shell. Therefore valence electrons are not same as its atomic number. On the other hand, atomic number is the number of protons present in the nucleus of the atom.Therefore, the above statement is false.(b) The atomic number of Nitrogen atom is 7 2 2 3Therefore, the electronic configuration of N atom is 1s 2s 2p . Here 2s and 2p are the outermostshell which have 2 and 3 electrons respectively.Therefore, total valence electrons on N atom is =2+3 = 5© Given electronic configuration is 2 2 6 2 21s 2s 2p 3s 3pValence electrons are those which are present in the outermost shell. Therefore, here outermostshells are 3s and 3p.Therefore, total valence electrons on the atom is =2+2 = 4The atom is Si which has atomic number 14

Step 2 of 3

Chapter 8, Problem 9E is Solved
Step 3 of 3

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

This full solution covers the following key subjects: electrons, shielding, most, atom, core. This expansive textbook survival guide covers 82 chapters, and 9454 solutions. The full step-by-step solution to problem: 9E from chapter: 8 was answered by , our top Chemistry solution expert on 02/22/17, 04:35PM. The answer to “What is shielding? In an atom, which electrons tend to do the most shielding (core electrons or valence electrons)?” is broken down into a number of easy to follow steps, and 19 words. Chemistry: A Molecular Approach was written by and is associated to the ISBN: 9780321809247. This textbook survival guide was created for the textbook: Chemistry: A Molecular Approach, edition: 3. Since the solution to 9E from 8 chapter was answered, more than 302 students have viewed the full step-by-step answer.

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What is shielding? In an atom, which electrons tend to do