World of Chemistry, 3rd edition
World of Chemistry, 3rd edition
3rd Edition
ISBN: 9781133109655
Author: Steven S. Zumdahl, Susan L. Zumdahl, Donald J. DeCoste
Publisher: Brooks / Cole / Cengage Learning
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Chapter 11, Problem 69A

(a)

Interpretation Introduction

Interpretation:

From the atomic number, electronic configuration is to be determined.

Concept Introduction:

The number of electrons in the atom is equal to the atomic number of the element. So, we can easily determine the electronic configuration by the atomic number.

The electrons are filled from lower to higher energy levels following the Aufbau principle.

Lower (n+l) values correspond to lower orbital energies. If (n+l) value for two orbitals is equal, the orbital with the lower n value has lower energy.

Where,

  • n= principle quantum number
  • l= azimuthal quantum number

(a)

Expert Solution
Check Mark

Answer to Problem 69A

Electronic configuration of sodium (Z=11) is 1s22s22p63s1 or [Ne]3s1 .

Explanation of Solution

The order in which the orbitals are filled with electrons is: 1s< 2s< 2p<3s< 3p<4s< 3d<4p<5s< 4d< 5p< 6s< 4f<5d< 6p< 7s<5f<6d<7p and so on.

So, the electronic configuration of sodium (Z=11) is 1s22s22p63s1 or [Ne]3s1 .

(b)

Interpretation Introduction

Interpretation:

From the atomic number, electronic configuration is to be determined.

Concept Introduction:

The number of electrons in the atom is equal to the atomic number of the element. So, we can easily determine the electronic configuration by the atomic number.

The electrons are filled from lower to higher energy levels following the Aufbau principle.

Lower (n+l) values correspond to lower orbital energies. If (n+l) value for two orbitals is equal, the orbital with the lower n value has lower energy.

Where,

  • n= principle quantum number
  • l= azimuthal quantum number

(b)

Expert Solution
Check Mark

Answer to Problem 69A

Electronic configuration of gallium (Z=31)

  1s22s22p63s23p63d104s24p1 or [Ar]3d104s24p1 .

Explanation of Solution

The order in which the orbitals are filled with electrons is: 1s< 2s< 2p<3s< 3p<4s< 3d<4p<5s< 4d< 5p< 6s< 4f<5d< 6p< 7s<5f<6d<7p and so on.

Electronic configuration of gallium (Z=31)

  1s22s22p63s23p63d104s24p1 or [Ar]3d104s24p1 .

(c)

Interpretation Introduction

Interpretation:

From the atomic number, the electronic configuration is to be determined.

Concept Introduction:

The number of electrons in the atom is equal to the atomic number of the element. So, we can easily determine the electronic configuration by the atomic number.

The electrons are filled from lower to higher energy levels following the Aufbau principle.

Lower (n+l) values correspond to lower orbital energies. If (n+l) value for two orbitals is equal, the orbital with the lower n value has lower energy.

Where,

  • n= principle quantum number
  • l= azimuthal quantum number

(c)

Expert Solution
Check Mark

Answer to Problem 69A

The electronic configuration of phosphorous is (Z=15)

  1s22s22p63s23p3 or [Ne]3s23p3 .

Explanation of Solution

The order in which the orbitals are filled with electrons is: 1s< 2s< 2p<3s< 3p<4s< 3d<4p<5s< 4d< 5p< 6s< 4f<5d< 6p< 7s<5f<6d<7p and so on.

The electronic configuration of phosphorous is (Z=15)

  1s22s22p63s23p3 or [Ne]3s23p3 .

(d)

Interpretation Introduction

Interpretation:

From the atomic number, the electronic configuration is to be determined.

Concept Introduction:

The number of electrons in the atom is equal to the atomic number of the element. So, we can easily determine the electronic configuration by the atomic number.

The electrons are filled from lower to higher energy levels following the Aufbau principle.

Lower (n+l) values correspond to lower orbital energies. . If (n+l) value for two orbitals is equal, the orbital with the lower n value is said to have lower energy associated with it.

Where,

  • n= principle quantum number
  • l= azimuthal quantum number

(d)

Expert Solution
Check Mark

Answer to Problem 69A

Electronic configuration of tin (Z=50)

  1s22s22p63s23p3 3d104s24p65s24d105p2 or [Kr]5s24d105p2 .

Explanation of Solution

The order in which the orbitals are filled with electrons is: 1s< 2s< 2p<3s< 3p<4s< 3d<4p<5s< 4d< 5p< 6s< 4f<5d< 6p< 7s<5f<6d<7p and so on.

Electronic configuration of tin (Z=50)

  1s22s22p63s23p3 3d104s24p65s24d105p2 or [Kr]5s24d105p2 .

Chapter 11 Solutions

World of Chemistry, 3rd edition

Ch. 11.2 - Prob. 4RQCh. 11.2 - Prob. 5RQCh. 11.2 - Prob. 6RQCh. 11.3 - Prob. 1RQCh. 11.3 - Prob. 2RQCh. 11.3 - Prob. 3RQCh. 11.3 - Prob. 4RQCh. 11.3 - Prob. 5RQCh. 11.3 - Prob. 6RQCh. 11.4 - Prob. 1RQCh. 11.4 - Prob. 2RQCh. 11.4 - Prob. 3RQCh. 11.4 - Prob. 4RQCh. 11.4 - Prob. 5RQCh. 11.4 - Prob. 6RQCh. 11.4 - Prob. 7RQCh. 11 - Prob. 1ACh. 11 - Prob. 2ACh. 11 - Prob. 3ACh. 11 - Prob. 4ACh. 11 - Prob. 5ACh. 11 - Prob. 6ACh. 11 - Prob. 7ACh. 11 - Prob. 8ACh. 11 - Prob. 9ACh. 11 - Prob. 10ACh. 11 - Prob. 11ACh. 11 - Prob. 12ACh. 11 - Prob. 13ACh. 11 - Prob. 14ACh. 11 - Prob. 15ACh. 11 - Prob. 16ACh. 11 - Prob. 17ACh. 11 - Prob. 18ACh. 11 - Prob. 19ACh. 11 - Prob. 20ACh. 11 - Prob. 21ACh. 11 - Prob. 22ACh. 11 - Prob. 23ACh. 11 - Prob. 24ACh. 11 - Prob. 25ACh. 11 - Prob. 26ACh. 11 - Prob. 27ACh. 11 - Prob. 28ACh. 11 - Prob. 29ACh. 11 - Prob. 30ACh. 11 - Prob. 31ACh. 11 - Prob. 32ACh. 11 - Prob. 33ACh. 11 - Prob. 34ACh. 11 - Prob. 35ACh. 11 - Prob. 36ACh. 11 - Prob. 37ACh. 11 - Prob. 38ACh. 11 - Prob. 39ACh. 11 - Prob. 40ACh. 11 - Prob. 41ACh. 11 - Prob. 42ACh. 11 - Prob. 43ACh. 11 - Prob. 44ACh. 11 - Prob. 45ACh. 11 - Prob. 46ACh. 11 - Prob. 47ACh. 11 - Prob. 48ACh. 11 - Prob. 49ACh. 11 - Prob. 50ACh. 11 - Prob. 51ACh. 11 - Prob. 52ACh. 11 - Prob. 53ACh. 11 - Prob. 54ACh. 11 - Prob. 55ACh. 11 - Prob. 56ACh. 11 - Prob. 57ACh. 11 - Prob. 58ACh. 11 - Prob. 59ACh. 11 - Prob. 60ACh. 11 - Prob. 61ACh. 11 - Prob. 62ACh. 11 - Prob. 63ACh. 11 - Prob. 64ACh. 11 - Prob. 65ACh. 11 - Prob. 66ACh. 11 - Prob. 67ACh. 11 - Prob. 68ACh. 11 - Prob. 69ACh. 11 - Prob. 70ACh. 11 - Prob. 71ACh. 11 - Prob. 72ACh. 11 - Prob. 73ACh. 11 - Prob. 74ACh. 11 - Prob. 75ACh. 11 - Prob. 76ACh. 11 - Prob. 77ACh. 11 - Prob. 1STPCh. 11 - Prob. 2STPCh. 11 - Prob. 3STPCh. 11 - Prob. 4STPCh. 11 - Prob. 5STPCh. 11 - Prob. 6STPCh. 11 - Prob. 7STPCh. 11 - Prob. 8STPCh. 11 - Prob. 9STPCh. 11 - Prob. 10STPCh. 11 - Prob. 11STPCh. 11 - Prob. 12STP
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