Introductory Chemistry: An Active Learning Approach
Introductory Chemistry: An Active Learning Approach
6th Edition
ISBN: 9781305079250
Author: Mark S. Cracolice, Ed Peters
Publisher: Cengage Learning
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Chapter 12, Problem 2E

A monoatomic ion with a charge of 1 has an electronic configuration of 1 s 2 2 s 2 2 p 6 3 s 2 3 p 6 . (a) Is this ion a cation or an anion? (b) With what noble gas is it isolectronic? (c) What is the symbol of the ion?

Expert Solution
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Interpretation Introduction

(a)

Interpretation:

Whether the monoatomic ion with a charge of 1 that has an electronic configuration of 1s22s22p63s23p6 is a cation or anion is to be stated.

Concept introduction:

The arrangement of electrons in the energy sublevels is explained by the electron configuration of an atom. The electron configuration of an atom can be written according to the arrangement of energy levels as shown below.

1s<2s<2p<3s<3p<4s<3d<4p<5s<4d<5p<6s

In the modern periodic table, the horizontal rows are known as periods, whereas vertical columns are known as groups. There are 7 periods and 18 groups in a modern periodic table.

Answer to Problem 2E

The monoatomic ion with a charge of 1 that has an electronic configuration of 1s22s22p63s23p6 is an anion.

Explanation of Solution

The monoatomic ion with a charge of 1 has an electronic configuration of 1s22s22p63s23p6. The electronic configuration indicates chlorine, Cl element. Here, Cl gains 1 electron to form the resulting anion, Cl.

Conclusion

The monoatomic ion with a charge of 1 that has an electronic configuration of 1s22s22p63s23p6 is an anion.

Expert Solution
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Interpretation Introduction

(b)

Interpretation:

The noble gas with which the monoatomic ion is isolectronic is to be stated.

Concept introduction:

The arrangement of electrons in the energy sublevels is explained by the electron configuration of an atom. The electron configuration of an atom can be written according to the arrangement of energy levels as shown below.

1s<2s<2p<3s<3p<4s<3d<4p<5s<4d<5p<6s

In the modern periodic table, the horizontal rows are known as periods, whereas vertical columns are known as groups. There are 7 periods and 18 groups in a modern periodic table.

Answer to Problem 2E

The noble gas with which the monoatomic ion is isolectronic is argon, Ar.

Explanation of Solution

The electronic configuration of Cl is 1s22s22p63s23p5. It can gain 1 electron in the outermost shell. The resulting anion, Cl is isoelectronic with argon, Ar.

The electronic configuration of Cl is 1s22s22p63s23p6.

The electronic configuration of Ar is 1s22s22p63s23p6.

Conclusion

The noble gas with which the monoatomic ion is isolectronic is argon, Ar.

Expert Solution
Check Mark
Interpretation Introduction

(c)

Interpretation:

The symbol of the ion is to be stated.

Concept introduction:

The arrangement of electrons in the energy sublevels is explained by the electron configuration of an atom. The electron configuration of an atom can be written according to the arrangement of energy levels as shown below.

1s<2s<2p<3s<3p<4s<3d<4p<5s<4d<5p<6s

In the modern periodic table, the horizontal rows are known as periods, whereas vertical columns are known as groups. There are 7 periods and 18 groups in a modern periodic table.

Answer to Problem 2E

The symbol of the ion is Cl.

Explanation of Solution

Chlorine belongs to the halogen group. The atomic number of Cl is 17. It gains 1 electron to form the anion. Therefore, the symbol of the ion is Cl.

Conclusion

The symbol of the ion is Cl.

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Chapter 12 Solutions

Introductory Chemistry: An Active Learning Approach

Ch. 12 - Prob. 11ECh. 12 - Prob. 12ECh. 12 - Prob. 13ECh. 12 - Prob. 14ECh. 12 - Prob. 15ECh. 12 - Prob. 16ECh. 12 - Prob. 17ECh. 12 - Prob. 18ECh. 12 - Prob. 19ECh. 12 - Prob. 20ECh. 12 - Prob. 21ECh. 12 - Consider the following bonds: GeSe, BrSe, BrGe....Ch. 12 - Prob. 23ECh. 12 - Consider the following bonds: TeSe, OTe, OSe....Ch. 12 - Prob. 25ECh. 12 - Prob. 26ECh. 12 - Prob. 27ECh. 12 - Prob. 28ECh. 12 - Prob. 29ECh. 12 - What is the maximum number of atoms to which a...Ch. 12 - Prob. 31ECh. 12 - Prob. 32ECh. 12 - Prob. 33ECh. 12 - Prob. 34ECh. 12 - Prob. 35ECh. 12 - Prob. 36ECh. 12 - Prob. 37ECh. 12 - Prob. 38ECh. 12 - Prob. 39ECh. 12 - Prob. 40ECh. 12 - Prob. 41ECh. 12 - Prob. 42ECh. 12 - Prob. 43ECh. 12 - Prob. 44ECh. 12 - Prob. 45ECh. 12 - Prob. 46ECh. 12 - Prob. 47ECh. 12 - Prob. 48ECh. 12 - Which orbitals of each atom overlap in forming a...Ch. 12 - Prob. 50ECh. 12 - Prob. 51ECh. 12 - A monatomic ion with a 2 charge has the electron...Ch. 12 - Prob. 53ECh. 12 - Prob. 54ECh. 12 - Prob. 55ECh. 12 - Prob. 56ECh. 12 - Prob. 57ECh. 12 - Prob. 58ECh. 12 - Prob. 59ECh. 12 - Prob. 60ECh. 12 - Prob. 61ECh. 12 - Which ions among the following are isoelectronic...Ch. 12 - Prob. 12.2TCCh. 12 - Prob. 12.3TCCh. 12 - Prob. 12.4TCCh. 12 - Prob. 12.5TCCh. 12 - Prob. 1CLECh. 12 - Prob. 2CLECh. 12 - Prob. 3CLECh. 12 - Prob. 4CLECh. 12 - Prob. 5CLECh. 12 - Prob. 6CLECh. 12 - Write the electron configurations for the oxide...Ch. 12 - Arrange the following bonds in order of decreasing...
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