Chemistry: Matter and Change
Chemistry: Matter and Change
1st Edition
ISBN: 9780078746376
Author: Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Publisher: Glencoe/McGraw-Hill School Pub Co
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Textbook Question
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Chapter 5, Problem 81A

How many electrons are shown in each element’s electron-dot structure?
a. carbon   c. calcium
b. iodine   d. gallium

(a)

Expert Solution
Check Mark
Interpretation Introduction

Interpretation:

The number of electron in electron dot structure of Carbon needs to be determined.

Concept introduction:

Electron- dot structure represents the valence electrons of an atom. The number of dots is identical to the number of valence electrons in the atom.

Answer to Problem 81A

The number of electrons in electron dot structure of Carbon is 4.

Explanation of Solution

Atomic number of Carbon is 6. Carbon shows the electronic configuration 1s22s22p2. Thus there are 4 electrons in outer shell i.e. 2s and 2p. So it’s electron dot structure has 4 electrons.

(b)

Expert Solution
Check Mark
Interpretation Introduction

Interpretation:

The number of electron in electron dot structure of Iodine needs to be determined.

Concept introduction:

Electron- dot structure represents the valence electrons of an atom. The number of dots is identical to the number of valence electrons in the atom.

Answer to Problem 81A

The number of electrons in electron dot structure of Iodine is 7.

Explanation of Solution

Atomic number of Iodine is 53. Iodine shows the electronic configuration [Kr] 4d105s25p5. Thus there are 7 electrons in outer shell i.e. 5s and 5p. So it’s electron dot structure has 7 electrons.

(c)

Expert Solution
Check Mark
Interpretation Introduction

Interpretation:

The number of electron in electron dot structure of Calcium needs to be determined.

Concept introduction:

Electron- dot structure represents the valence electrons of an atom. The number of dots is identical to the number of valence electrons in the atom.

Answer to Problem 81A

The number of electrons in electron dot structure of Calcium is 2.

Explanation of Solution

Atomic number of Calcium is 20. Calcium shows the electronic configuration 1s22s22p63s23p64s2. Thus there are 2 electrons in outer shell i.e. 4s. So it’s electron dot structure has 2 electrons.

(d)

Expert Solution
Check Mark
Interpretation Introduction

Interpretation:

The number of electron in electron dot structure of Gallium needs to be determined.

Concept introduction:

Electron- dot structure represents the valence electrons of an atom. The number of dots is identical to the number of valence electrons in the atom.

Answer to Problem 81A

The number of electrons in electron dot structure of Gallium is 3.

Explanation of Solution

Atomic number of Gallium is 31. Gallium the electronic configuration [Ar] 4s23d104p1. Thus there are 3 electrons in outer shell i.e. 4s and 4p. So it’s electron dot structure has 3 electrons.

Chapter 5 Solutions

Chemistry: Matter and Change

Ch. 5.1 - Prob. 11SSCCh. 5.1 - Prob. 12SSCCh. 5.1 - Prob. 13SSCCh. 5.1 - Prob. 14SSCCh. 5.2 - Prob. 15SSCCh. 5.2 - Prob. 16SSCCh. 5.2 - Prob. 17SSCCh. 5.2 - Prob. 18SSCCh. 5.2 - Prob. 19SSCCh. 5.2 - Prob. 20SSCCh. 5.3 - Prob. 21PPCh. 5.3 - Prob. 22PPCh. 5.3 - Prob. 23PPCh. 5.3 - Prob. 25PPCh. 5.3 - Prob. 26PPCh. 5.3 - Prob. 27PPCh. 5.3 - Prob. 28PPCh. 5.3 - Prob. 29SSCCh. 5.3 - Prob. 30SSCCh. 5.3 - Prob. 31SSCCh. 5.3 - Prob. 32SSCCh. 5.3 - Prob. 33SSCCh. 5 - Prob. 34ACh. 5 - Prob. 35ACh. 5 - Prob. 36ACh. 5 - Prob. 37ACh. 5 - Prob. 38ACh. 5 - Prob. 39ACh. 5 - Prob. 40ACh. 5 - Prob. 41ACh. 5 - Prob. 42ACh. 5 - Prob. 43ACh. 5 - Prob. 44ACh. 5 - Prob. 45ACh. 5 - Prob. 46ACh. 5 - Prob. 47ACh. 5 - Prob. 48ACh. 5 - Prob. 49ACh. 5 - Prob. 50ACh. 5 - Prob. 51ACh. 5 - Prob. 52ACh. 5 - Prob. 53ACh. 5 - Prob. 54ACh. 5 - Prob. 55ACh. 5 - Prob. 56ACh. 5 - Prob. 57ACh. 5 - Prob. 58ACh. 5 - According to the Bohr model, how do electrons...Ch. 5 - Prob. 60ACh. 5 - What is the difference between an atom’s ground...Ch. 5 - Prob. 62ACh. 5 - Prob. 63ACh. 5 - Prob. 64ACh. 5 - Prob. 65ACh. 5 - Prob. 66ACh. 5 - Prob. 67ACh. 5 - Prob. 68ACh. 5 - Prob. 69ACh. 5 - Prob. 70ACh. 5 - Prob. 71ACh. 5 - Prob. 72ACh. 5 - Prob. 73ACh. 5 - Prob. 74ACh. 5 - Prob. 75ACh. 5 - Prob. 76ACh. 5 - Prob. 77ACh. 5 - Prob. 78ACh. 5 - Prob. 79ACh. 5 - Prob. 80ACh. 5 - How many electrons are shown in each element’s...Ch. 5 - Prob. 82ACh. 5 - Prob. 83ACh. 5 - Prob. 84ACh. 5 - Prob. 85ACh. 5 - Prob. 86ACh. 5 - Prob. 87ACh. 5 - Prob. 88ACh. 5 - Prob. 89ACh. 5 - Prob. 90ACh. 5 - Prob. 91ACh. 5 - Prob. 92ACh. 5 - Prob. 93ACh. 5 - Prob. 94ACh. 5 - Prob. 95ACh. 5 - Prob. 96ACh. 5 - Prob. 97ACh. 5 - Prob. 98ACh. 5 - Prob. 99ACh. 5 - Prob. 100ACh. 5 - Prob. 101ACh. 5 - Prob. 102ACh. 5 - Prob. 103ACh. 5 - Prob. 104ACh. 5 - Prob. 105ACh. 5 - Prob. 106ACh. 5 - Prob. 107ACh. 5 - Prob. 108ACh. 5 - Prob. 109ACh. 5 - Prob. 110ACh. 5 - Prob. 111ACh. 5 - Prob. 112ACh. 5 - Prob. 113ACh. 5 - Prob. 114ACh. 5 - Prob. 115ACh. 5 - Prob. 116ACh. 5 - Prob. 117ACh. 5 - Prob. 118ACh. 5 - Prob. 119ACh. 5 - Prob. 1STPCh. 5 - Prob. 2STPCh. 5 - Prob. 3STPCh. 5 - Prob. 4STPCh. 5 - Prob. 5STPCh. 5 - Prob. 6STPCh. 5 - Prob. 7STPCh. 5 - Prob. 8STPCh. 5 - Prob. 9STPCh. 5 - Prob. 10STPCh. 5 - Prob. 11STPCh. 5 - Prob. 12STPCh. 5 - Prob. 13STPCh. 5 - Prob. 14STPCh. 5 - Prob. 15STPCh. 5 - Prob. 16STPCh. 5 - Prob. 17STPCh. 5 - Prob. 18STPCh. 5 - Prob. 19STP
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