(a) 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 The number of electrons in electron dot structure of Carbon is 4. Explanation Atomic number of Carbon is 6. Carbon shows the electronic configuration 1s 2 2s 2 2p 2 . Thus there are 4 electrons in outer shell i.e. 2s and 2p. So it’s electron dot structure has 4 electrons. (b) 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 The number of electrons in electron dot structure of Iodine is 7. Explanation Atomic number of Iodine is 53. Iodine shows the electronic configuration [Kr] 4d 10 5s 2 5p 5 . Thus there are 7 electrons in outer shell i.e. 5s and 5p. So it’s electron dot structure has 7 electrons. (c) 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 The number of electrons in electron dot structure of Calcium is 2. Explanation Atomic number of Calcium is 20. Calcium shows the electronic configuration 1s 2 2s 2 2p 6 3s 2 3p 6 4s 2 . Thus there are 2 electrons in outer shell i.e. 4s. So it’s electron dot structure has 2 electrons. (d) 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 The number of electrons in electron dot structure of Gallium is 3. Explanation Atomic number of Gallium is 31. Gallium the electronic configuration [Ar] 4s 2 3d 10 4p 1 . Thus there are 3 electrons in outer shell i.e. 4s and 4p. So it’s electron dot structure has 3 electrons.

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

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

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

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

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

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, Problem 80A

Chapter 5, Problem 82A

Chapter 5 Solutions

Chemistry: Matter and Change

Ch. 5.1 - Prob. 1PP Ch. 5.1 - Prob. 2PP Ch. 5.1 - Prob. 3PP Ch. 5.1 - Prob. 4PP Ch. 5.1 - Prob. 5PP Ch. 5.1 - Prob. 6PP Ch. 5.1 - Prob. 7PP Ch. 5.1 - Prob. 8SSC Ch. 5.1 - Prob. 9SSC Ch. 5.1 - Prob. 10SSC

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

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