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 11, Problem 43E
Interpretation Introduction

(a)

Interpretation:

The element having the electron configuration 1s22s22p63s23p64s23d104p4 is to be identified.

Concept introduction:

Electronic configuration represents the arrangement of electrons in an atom. The sublevels are filled according to their increasing energy. The electrons are firstly filled into the sublevel having the lowest energy. The sublevel closest to the nucleus has the lowest energy. The trend of filling of electrons according to the energy of sublevels is given below.

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

The electronic configuration up to the electronic configuration of the last noble gas is represented with the symbol of noble gas in square brackets. This notation is known as core notation.

Expert Solution
Check Mark

Answer to Problem 43E

The element having the electron configuration 1s22s22p63s23p64s23d104p4 is selenium.

Explanation of Solution

The given electron configuration is 1s22s22p63s23p64s23d104p4. This gives total number of electrons as 34. The atomic number of an element is equivalent to the number of electrons or protons. Therefore, the atomic number of element having configuration 1s22s22p63s23p64s23d104p4 is 34.

The element having atomic number 34 is selenium.

Therefore, the element having the electron configuration 1s22s22p63s23p64s23d104p4 is selenium.

Conclusion

The element having the electron configuration 1s22s22p63s23p64s23d104p4 is selenium.

Interpretation Introduction

(b)

Interpretation:

The element having the electron configuration 1s22s22p4 is to be identified.

Concept introduction:

Electronic configuration represents the arrangement of electrons in an atom. The sublevels are filled according to their increasing energy. The electrons are firstly filled into the sublevel having the lowest energy. The sublevel closest to the nucleus has the lowest energy. The trend of filling of electrons according to the energy of sublevels is given below.

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

The electronic configuration up to the electronic configuration of the last noble gas is represented with the symbol of noble gas in square brackets. This notation is known as core notation.

Expert Solution
Check Mark

Answer to Problem 43E

The element having the electron configuration 1s22s22p4 is oxygen.

Explanation of Solution

The given electron configuration is 1s22s22p4. This gives total number of electrons as 8. The atomic number of an element is equivalent to the number of electrons or protons. Therefore, the atomic number of element having configuration 1s22s22p4 is 8.

The element having atomic number 8 is oxygen.

Therefore, the element having the electron configuration 1s22s22p4 is oxygen.

Conclusion

The element having the electron configuration 1s22s22p4 is oxygen.

Interpretation Introduction

(c)

Interpretation:

The element having the electron configuration 1s22s22p63s2 is to be identified.

Concept introduction:

Electronic configuration represents the arrangement of electrons in an atom. The sublevels are filled according to their increasing energy. The electrons are firstly filled into the sublevel having the lowest energy. The sublevel closest to the nucleus has the lowest energy. The trend of filling of electrons according to the energy of sublevels is given below.

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

The electronic configuration up to the electronic configuration of the last noble gas is represented with the symbol of noble gas in square brackets. This notation is known as core notation.

Expert Solution
Check Mark

Answer to Problem 43E

The element having the electron configuration 1s22s22p63s2 is magnesium.

Explanation of Solution

The given electron configuration is 1s22s22p63s2. This gives total number of electrons as 12. The atomic number of an element is equivalent to the number of electrons or protons. Therefore, the atomic number of element having configuration 1s22s22p63s2 is 12. The element having atomic number 12 is magnesium.

Therefore, the element having the electron configuration 1s22s22p63s2 is magnesium.

Conclusion

The element having the electron configuration 1s22s22p63s2 is magnesium.

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Chapter 11 Solutions

Introductory Chemistry: An Active Learning Approach

Ch. 11 - Prob. 11ECh. 11 - Prob. 12ECh. 11 - Prob. 13ECh. 11 - Prob. 14ECh. 11 - Prob. 15ECh. 11 - Prob. 16ECh. 11 - Prob. 17ECh. 11 - Prob. 18ECh. 11 - Prob. 19ECh. 11 - How many sublevels are there in an atom with n=4?Ch. 11 - Prob. 21ECh. 11 - Prob. 22ECh. 11 - Prob. 23ECh. 11 - Prob. 24ECh. 11 - The principal energy level with n=6 contains six...Ch. 11 - Although we may draw the 4s orbital with the shape...Ch. 11 - Prob. 27ECh. 11 - Prob. 28ECh. 11 - Prob. 29ECh. 11 - Prob. 30ECh. 11 - Prob. 31ECh. 11 - Prob. 32ECh. 11 - Prob. 33ECh. 11 - Prob. 34ECh. 11 - Prob. 35ECh. 11 - Is the quantum mechanical model of the atom...Ch. 11 - Prob. 37ECh. 11 - Prob. 38ECh. 11 - What element has the electron configuration...Ch. 11 - Prob. 40ECh. 11 - Prob. 41ECh. 11 - What is meant by [Ne] in [Ne]3s23p1?Ch. 11 - Prob. 43ECh. 11 - Prob. 44ECh. 11 - Prob. 45ECh. 11 - Prob. 46ECh. 11 - Prob. 47ECh. 11 - Prob. 48ECh. 11 - Prob. 49ECh. 11 - Prob. 50ECh. 11 - Prob. 51ECh. 11 - Prob. 52ECh. 11 - Use a noble gas core to write the electron...Ch. 11 - a Write the complete ground state electron...Ch. 11 - 55. Why are valence electrons important?Ch. 11 - Prob. 56ECh. 11 - Prob. 57ECh. 11 - Prob. 58ECh. 11 - Prob. 59ECh. 11 - Prob. 60ECh. 11 - Prob. 61ECh. 11 - . Using only the periodic table, arrange the...Ch. 11 - Prob. 63ECh. 11 - Prob. 64ECh. 11 - Prob. 65ECh. 11 - Prob. 66ECh. 11 - Prob. 67ECh. 11 - Using only the periodic table, arrange the...Ch. 11 - Prob. 69ECh. 11 - Using only the periodic table, arrange the...Ch. 11 - Prob. 71ECh. 11 - Give the symbol for an element that is: a a...Ch. 11 - Prob. 73ECh. 11 - a What is the name of the alkali metal that is in...Ch. 11 - Prob. 75ECh. 11 - Which of the following describes the element Ba?...Ch. 11 - Prob. 77ECh. 11 - Which of the following describes the element Br?...Ch. 11 - Prob. 79ECh. 11 - Prob. 80ECh. 11 - Prob. 81ECh. 11 - Prob. 82ECh. 11 - Prob. 83ECh. 11 - Prob. 84ECh. 11 - Prob. 85ECh. 11 - Prob. 86ECh. 11 - Prob. 87ECh. 11 - Prob. 88ECh. 11 - Prob. 89ECh. 11 - Prob. 90ECh. 11 - Prob. 91ECh. 11 - Determine whether each statement that follows is...Ch. 11 - Prob. 93ECh. 11 - Prob. 94ECh. 11 - Prob. 95ECh. 11 - Prob. 96ECh. 11 - Prob. 97ECh. 11 - Prob. 98ECh. 11 - Prob. 99ECh. 11 - Prob. 100ECh. 11 - Prob. 101ECh. 11 - Prob. 102ECh. 11 - Prob. 103ECh. 11 - Prob. 104ECh. 11 - Prob. 105ECh. 11 - Prob. 106ECh. 11 - Prob. 107ECh. 11 - Prob. 108ECh. 11 - Prob. 109ECh. 11 - Prob. 11.1TCCh. 11 - Prob. 11.2TCCh. 11 - Prob. 11.3TCCh. 11 - Prob. 11.4TCCh. 11 - Prob. 11.5TCCh. 11 - Prob. 1CLECh. 11 - Prob. 2CLECh. 11 - Prob. 3CLECh. 11 - Prob. 4CLECh. 11 - Prob. 5CLECh. 11 - Prob. 6CLECh. 11 - Prob. 7CLECh. 11 - Prob. 8CLECh. 11 - Prob. 9CLECh. 11 - Write the electron configuration of the highest...Ch. 11 - Prob. 2PECh. 11 - Prob. 3PECh. 11 - Prob. 4PECh. 11 - Prob. 5PECh. 11 - Prob. 6PECh. 11 - Prob. 7PE
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