Write full orbital diagrams and indicate the number of

Introductory Chemistry | 5th Edition | ISBN: 9780321910295 | Authors: Nivaldo Tro

Problem 51P Chapter 9

Introductory Chemistry | 5th Edition

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Introductory Chemistry | 5th Edition | ISBN: 9780321910295 | Authors: Nivaldo Tro

Introductory Chemistry | 5th Edition

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Problem 51P

PROBLEM 51P

Write full orbital diagrams and indicate the number of un­paired electrons for each element.

(a) He

(b) B

(c) Li

(d) N

Step-by-Step Solution:

Solution 51P :

Step 1:

Orbital diagrams are pictorial descriptions of the electrons in an atom.

Rules for Writing Electron Configurations :

1) Aufbau’s Principle - Electrons enter orbitals of the lowest energy first. An energy level (or sublevel more precisely) will fill with electrons before electrons start to fill the next energy level or energy state. All lower energy levels are full up to the last energy level; levels are not skipped or eliminated because of energy level.

2) The Pauli Exclusion Principle - An atomic orbital may describe at most two electrons, at least one for that orbital to exist. To occupy the same orbital, two electrons must have opposite spins. If two electrons occupy the same orbital they are said to be paired. Orbitals with one electron are unpaired.

3) Hund's Rule - When electrons occupy orbitals of equal energy, one electron enters each orbital until all the orbitals contain one electron, with spins parallel, before they are paired. Second electrons then add to each orbital so that their spins are paired.

Step 2 of 2

Chapter 9, Problem 51P is Solved
Textbook: Introductory Chemistry
Edition: 5
Author: Nivaldo Tro
ISBN: 9780321910295

The full step-by-step solution to problem: 51P from chapter: 9 was answered by Patricia, our top Chemistry solution expert on 05/06/17, 06:45PM. This full solution covers the following key subjects: Diagrams, electrons, element, full, indicate. This expansive textbook survival guide covers 19 chapters, and 2045 solutions. Since the solution to 51P from 9 chapter was answered, more than 363 students have viewed the full step-by-step answer. The answer to “Write full orbital diagrams and indicate the number of un­paired electrons for each element.(a) He(b) B(c) Li(d) N” is broken down into a number of easy to follow steps, and 18 words. Introductory Chemistry was written by Patricia and is associated to the ISBN: 9780321910295. This textbook survival guide was created for the textbook: Introductory Chemistry, edition: 5.

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