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Introduction to General, Organic a...

11th Edition
Frederick A. Bettelheim + 4 others
Publisher: Cengage Learning
ISBN: 9781285869759
BuyFind

Introduction to General, Organic a...

11th Edition
Frederick A. Bettelheim + 4 others
Publisher: Cengage Learning
ISBN: 9781285869759

Solutions

Chapter
Section
Chapter 2, Problem 2.77P
Textbook Problem

2-77 Name and give the symbol of the element with the given characteristic.

(a) Largest atomic radius in Group 2A.

(b) Smallest atomic radius in Group 2A

(c) Largest atomic radius in the second period.

(d) Smallest atomic radius in the second period.

(e) Largest ionization energy in Group 7A.

(f) Lowest ionization energy in Group 7A

Expert Solution
Interpretation Introduction

(a)

Interpretation:

The element with the largest atomic radius in group 2A is to be determined.

Concept Introduction:

In periodic table elements are arranged in increasing order of their atomic number, there are total 18 columns and 7 rows in periodic table, elements of each column show similar properties.

Explanation of Solution

As we move from left to right in a row of a periodic table the atomic radius of elements decreases, while going down the group the atomic radius of the elements increases...

Expert Solution
Interpretation Introduction

(b)

Interpretation:

The element with the smallest atomic radius in group 2A is to be stated.

Concept Introduction:

In periodic table elements are arranged in increasing order of their atomic number, there are total 18 columns and 7 rows in periodic table, elements of each column show similar properties.

Expert Solution
Interpretation Introduction

(c)

Interpretation:

The element with the largest atomic radius in 2nd period is to be stated.

Concept Introduction:

In periodic table elements are arranged in increasing order of their atomic number, there are total 18 columns and 7 rows in periodic table, elements of each column show similar properties.

Expert Solution
Interpretation Introduction

(d)

Interpretation:

The element with the largest atomic radius in second period is to be stated.

Concept Introduction:

In periodic table elements are arranged in increasing order of their atomic number, there are total 18 columns and 7 rows in periodic table, elements of each column show similar properties.

Expert Solution
Interpretation Introduction

(e)

Interpretation:

The element in group 7A with the largest ionization energy is to be determined.

Concept Introduction:

In periodic table elements are arranged in increasing order of their atomic number, there are total 18 columns and 7 rows in periodic table, elements of each column show similar properties.

Ionization energy is measure of how difficult it is to remove the most loosely held electron from an atom in the gaseous state, higher the difficulty in removing the atom; higher will be the ionization energy.

Expert Solution
Interpretation Introduction

(f)

Interpretation:

The element in the group 7A with the smallest ionization energy is to be stated.

Concept Introduction:

In periodic table elements are arranged in increasing order of their atomic number, there are total 18 columns and 7 rows in periodic table, elements of each column show similar properties.

Ionization energy is measure of how difficult it is to remove the most loosely held electron from an atom in the gaseous state, higher the difficulty in removing the atom; higher will be the ionization energy.

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Chapter 2 Solutions

Introduction to General, Organic and Biochemistry
Show all chapter solutions
Ch. 2 - 2-11 Name these elements (try not to look at a...Ch. 2 - 2-12 The elements game, Part 1. Name and give the...Ch. 2 - 2-13 The elements game. Part II. Name and give the...Ch. 2 - 2-14 The elements game, Part III. Give the names...Ch. 2 - 2-15 Write the formulas of compounds in which the...Ch. 2 - 2-16 Write the formulas of compounds in which the...Ch. 2 - 2-17 How does Dalton’s atomic theory explain: (a)...Ch. 2 - 2-18 When 2.16 g of mercuric oxide is heated, it...Ch. 2 - 2-19 The compound carbon monoxide contains 42.9%...Ch. 2 - 2-20 Calculate the percentage of hydrogen and...Ch. 2 - 2-21 Answer true or false. (a) A proton and an...Ch. 2 - 2-22 Where in an atom are these subatomic...Ch. 2 - 2-23 It has been said, “The number of protons...Ch. 2 - 2-24 What is the mass number of an atom with: (a)...Ch. 2 - 2-25 Name and give the symbol for each element in...Ch. 2 - 2-26 Given these mass numbers and number of...Ch. 2 - 2-27 If each atom in Problem 2-26 acquired two...Ch. 2 - 2-28 How many neutrons are in: (a) a carbon atom...Ch. 2 - 2-29 How many protons and how many neutrons does...Ch. 2 - 2.30 How many neutrons and protons are in each...Ch. 2 - 2-31 Tin-118 is one of the isotopes of tin. Name...Ch. 2 - 2-32 What is the difference between atomic number...Ch. 2 - 2-33 Define: (a) Ion (b) IsotopeCh. 2 - 2-34 There are only two naturally occurring...Ch. 2 - 2-35 The two most abundant naturally occurring...Ch. 2 - 2-36 Another isotope of carbon, carbon-14, occurs...Ch. 2 - 2-37 The isotope carbon-11 does not occur in...Ch. 2 - 2-38 Other isotopes used in PET imaging are...Ch. 2 - 2-39 Americium-241 is used in household smoke...Ch. 2 - 2-40 In dating geological samples, scientists...Ch. 2 - 2-41 Answer true or false. (a) Mendeleyev...Ch. 2 - 2-42 How many metals, metalloids, and nonmetals...Ch. 2 - 2-43 Which group(s) of the Periodic Table...Ch. 2 - 2-44 Which period(s) in the Periodic Table...Ch. 2 - 2-45 Group the following element8 according to...Ch. 2 - 2-46 Which are transition elements? (a) Pd (b) K...Ch. 2 - 2-47 Which element in each pair is more metallic?...Ch. 2 - 2-48 Classify these elements as metals, nonmetals,...Ch. 2 - 2-49 Answer true or false. (a) To say that “energy...Ch. 2 - 2-50 How many periods of the Periodic Table have...Ch. 2 - 2-51 What is the correlation between the group...Ch. 2 - 2-52 Given your answer to Problem 2-51, write the...Ch. 2 - 2-53 Write the condensed ground-state electron...Ch. 2 - 2-54 Write the Lewis dot structure for each...Ch. 2 - 2-55 Write the condensed ground-state electron...Ch. 2 - 2-56 Write the Lewis dot structure for each...Ch. 2 - 2-57 What are the similarities and differences in...Ch. 2 - 2-58 Silicon, atomic number 14, is in Group 4A....Ch. 2 - 2-59 You are presented with a Lewis dot structure...Ch. 2 - 2-60 The electron configurations for the elements...Ch. 2 - 2-61 Answer true or false. (a) Elements in the...Ch. 2 - 2-62 Why do the elements in column 1A of the...Ch. 2 - 2-63 Answer true or false. (a) Ionization energy...Ch. 2 - 2-64 Consider the elements B, C, and N. Using only...Ch. 2 - 2-65 Account for the following observations. (a)...Ch. 2 - 2-66 Using only the Periodic Table, arrange the...Ch. 2 - 2-67 Account for the fact that the first...Ch. 2 - 2-68 Every atom except hydrogen has a series of...Ch. 2 - 2-69 (Chemical Connections 2A) Why does the body...Ch. 2 - 2-70 (Chemical Connections 2B) Which are the two...Ch. 2 - 2-71 (Chemical Connections 2C) Why is strontium-90...Ch. 2 - 2-72 (Chemical Connections 2D) Bronze is an alloy...Ch. 2 - 2-73 (Chemical Connections 2D) Copper is a soft...Ch. 2 - 2-74 Give the designations of all subshells in...Ch. 2 - 2-75 Tell whether metals or nonmetals are more...Ch. 2 - 2-76 Explain why: (a) atomic radius decreases...Ch. 2 - 2-77 Name and give the symbol of the element with...Ch. 2 - 2-78 What is the outer-shell electron...Ch. 2 - 2-79 Determine the number of protons, electrons,...Ch. 2 - 2-80 What percentage of the mass of each element...Ch. 2 - 2.81 Do isotopes of the heavy elements (for...Ch. 2 - 2-82 What is the symbol for each of the following...Ch. 2 - 2-83 The natural abundance of boron isotopes is as...Ch. 2 - 2-84 How many electrons are in the outer shell of...Ch. 2 - 2-85 The mass of a proton is 1.67 × 10-24g. The...Ch. 2 - 2-86 (a) What are the charges of an electron, a...Ch. 2 - 2-87 What is the name of this element, and how...Ch. 2 - 2-88 Based on the data presented in Figure 2-16,...Ch. 2 - 2-89 Assume that a new element has been discovered...Ch. 2 - 2-90 Explain why the sizes of atoms change when...Ch. 2 - 2-91 These are the first two ionization energy for...Ch. 2 - 2-92 Which has the largest radius: O2-, F- or F?...Ch. 2 - 2-93 Arrange the following elements in order of...Ch. 2 - 2-94 Using your knowledge of trends in element...Ch. 2 - 2-95 Name the elements in Group 3A. What does the...Ch. 2 - 2-96 Using the orbital box diagrams and the noble...Ch. 2 - 2-97 Explain why the Ca3+ ion is not found in...Ch. 2 - 2-98 Explain how the ionization energy of atoms...Ch. 2 - 2-99 A 7.12 g sample of magnesium is heated with...Ch. 2 - 2-100 A 0.100 g sample of magnesium, when combined...Ch. 2 - 2-101 Complete the following table: Symbol Atomic...Ch. 2 - 2-102 An element consists of 90.51% of an isotope...Ch. 2 - 2-103 The element silver has two naturally...Ch. 2 - 2-104 The average atomic weight of lithium is...Ch. 2 - 2-105 Suppose that you face a problem similar to...Ch. 2 - 2-106 Compare the neutron to proton ratio for the...

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