(a) Interpretation: Among the given atoms, the isobars and isotopes should be identified. Ca-40, Ca-41, K-41, and Ar-41 Concept introduction: An atom which has different atomic number (number of protons) but same mass number is known as isobars. An atom which contain same number of protons (atomic number) but the number of neutrons is different is known as isotopes. In nuclide notation of isotope, the mass number of the isotope is present in superscript in front of the symbol of given element and atomic number is present in subscript in front of the symbol of the element. The expression is given by: X z A Where, A = mass number and Z = atomic number In hyphenated form of isotope, the name of chemical element is written before the mass number.

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SH 0

Answer 1

Question

Chapter 2, Problem 15QAP

Interpretation Introduction

(a)

Interpretation:

Among the given atoms, the isobars and isotopes should be identified.

Ca-40, Ca-41, K-41, and Ar-41

Concept introduction:

An atom which has different atomic number (number of protons) but same mass number is known as isobars.

An atom which contain same number of protons (atomic number) but the number of neutrons is different is known as isotopes.

In nuclide notation of isotope, the mass number of the isotope is present in superscript in front of the symbol of given element and atomic number is present in subscript in front of the symbol of the element.

The expression is given by: XzA

Where, A = mass number and Z = atomic number

In hyphenated form of isotope, the name of chemical element is written before the mass number.

Interpretation Introduction

(b)

Interpretation:

The common between Ca-40 and Ca-41 should be identified.

Concept introduction:

An atom which has different atomic number (number of protons) but same mass number is known as isobars.

An atom which contain same number of protons (atomic number) but the number of neutrons is different is known as isotopes.

In nuclide notation of isotope, the mass number of the isotope is present in superscript in front of the symbol of given element and atomic number is present in subscript in front of the symbol of the element.

The expression is given by: XzA

Where, A = mass number and Z = atomic number

In hyphenated form of isotope, the name of chemical element is written before the mass number.

Interpretation Introduction

(c)

Interpretation:

The given statement should be correct if it is incorrect.

Atoms of Ca-41, K-41 and Ar-41 have the same number of neutrons.

Concept introduction:

An atom which has different atomic number (number of protons) but same mass number is known as isobars.

An atom which contain same number of protons (atomic number) but the number of neutrons is different is known as isotopes.

In nuclide notation of isotope, the mass number of the isotope is present in superscript in front of the symbol of given element and atomic number is present in subscript in front of the symbol of the element.

The expression is given by: XzA

Where, A = mass number and Z = atomic number

In hyphenated form of isotope, the name of chemical element is written before the mass number.

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2. Please consider the two all 'cis' isomers of trimethylcyclohexane drawn below. Draw the two chair conformers of each stereoisomer below (1 and 2) and calculate their torsional interaction energies in order to identify the lower energy conformer for each stereoisomer. Based on your calculations, state which of the two stereoisomers 1 and 2 is less stable and which is more stable. [1,3-diaxial CH3 CH3 = 3.7kcal/mol; 1,3-diaxial CH3 H = 0.88kcal/mol; cis-1,2 (axial:equatorial) CH3 CH3 = 0.88kcal/mol; trans-1,2-diequatorial CH3 CH3 = 0.88kcal/mol) all-cis-1,2,3- 1 all-cis-1,2,4- 2

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Answer 2

Question

Chapter 2, Problem 15QAP

Interpretation Introduction

(a)

Interpretation:

Among the given atoms, the isobars and isotopes should be identified.

Ca-40, Ca-41, K-41, and Ar-41

Concept introduction:

An atom which has different atomic number (number of protons) but same mass number is known as isobars.

An atom which contain same number of protons (atomic number) but the number of neutrons is different is known as isotopes.

In nuclide notation of isotope, the mass number of the isotope is present in superscript in front of the symbol of given element and atomic number is present in subscript in front of the symbol of the element.

The expression is given by: XzA

Where, A = mass number and Z = atomic number

In hyphenated form of isotope, the name of chemical element is written before the mass number.

Interpretation Introduction

(b)

Interpretation:

The common between Ca-40 and Ca-41 should be identified.

Concept introduction:

An atom which has different atomic number (number of protons) but same mass number is known as isobars.

An atom which contain same number of protons (atomic number) but the number of neutrons is different is known as isotopes.

In nuclide notation of isotope, the mass number of the isotope is present in superscript in front of the symbol of given element and atomic number is present in subscript in front of the symbol of the element.

The expression is given by: XzA

Where, A = mass number and Z = atomic number

In hyphenated form of isotope, the name of chemical element is written before the mass number.

Interpretation Introduction

(c)

Interpretation:

The given statement should be correct if it is incorrect.

Atoms of Ca-41, K-41 and Ar-41 have the same number of neutrons.

Concept introduction:

An atom which has different atomic number (number of protons) but same mass number is known as isobars.

An atom which contain same number of protons (atomic number) but the number of neutrons is different is known as isotopes.

In nuclide notation of isotope, the mass number of the isotope is present in superscript in front of the symbol of given element and atomic number is present in subscript in front of the symbol of the element.

The expression is given by: XzA

Where, A = mass number and Z = atomic number

In hyphenated form of isotope, the name of chemical element is written before the mass number.

Expert Solution & Answer

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Answer 3

Question

Chapter 2, Problem 15QAP

Interpretation Introduction

(a)

Interpretation:

Among the given atoms, the isobars and isotopes should be identified.

Ca-40, Ca-41, K-41, and Ar-41

Concept introduction:

An atom which has different atomic number (number of protons) but same mass number is known as isobars.

An atom which contain same number of protons (atomic number) but the number of neutrons is different is known as isotopes.

In nuclide notation of isotope, the mass number of the isotope is present in superscript in front of the symbol of given element and atomic number is present in subscript in front of the symbol of the element.

The expression is given by: XzA

Where, A = mass number and Z = atomic number

In hyphenated form of isotope, the name of chemical element is written before the mass number.

Interpretation Introduction

(b)

Interpretation:

The common between Ca-40 and Ca-41 should be identified.

Concept introduction:

An atom which has different atomic number (number of protons) but same mass number is known as isobars.

An atom which contain same number of protons (atomic number) but the number of neutrons is different is known as isotopes.

In nuclide notation of isotope, the mass number of the isotope is present in superscript in front of the symbol of given element and atomic number is present in subscript in front of the symbol of the element.

The expression is given by: XzA

Where, A = mass number and Z = atomic number

In hyphenated form of isotope, the name of chemical element is written before the mass number.

Interpretation Introduction

(c)

Interpretation:

The given statement should be correct if it is incorrect.

Atoms of Ca-41, K-41 and Ar-41 have the same number of neutrons.

Concept introduction:

An atom which has different atomic number (number of protons) but same mass number is known as isobars.

An atom which contain same number of protons (atomic number) but the number of neutrons is different is known as isotopes.

In nuclide notation of isotope, the mass number of the isotope is present in superscript in front of the symbol of given element and atomic number is present in subscript in front of the symbol of the element.

The expression is given by: XzA

Where, A = mass number and Z = atomic number

In hyphenated form of isotope, the name of chemical element is written before the mass number.

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Answer 4

Question

Chapter 2, Problem 15QAP

Interpretation Introduction

(a)

Interpretation:

Among the given atoms, the isobars and isotopes should be identified.

Ca-40, Ca-41, K-41, and Ar-41

Concept introduction:

An atom which has different atomic number (number of protons) but same mass number is known as isobars.

An atom which contain same number of protons (atomic number) but the number of neutrons is different is known as isotopes.

In nuclide notation of isotope, the mass number of the isotope is present in superscript in front of the symbol of given element and atomic number is present in subscript in front of the symbol of the element.

The expression is given by: XzA

Where, A = mass number and Z = atomic number

In hyphenated form of isotope, the name of chemical element is written before the mass number.

Interpretation Introduction

(b)

Interpretation:

The common between Ca-40 and Ca-41 should be identified.

Concept introduction:

An atom which has different atomic number (number of protons) but same mass number is known as isobars.

An atom which contain same number of protons (atomic number) but the number of neutrons is different is known as isotopes.

In nuclide notation of isotope, the mass number of the isotope is present in superscript in front of the symbol of given element and atomic number is present in subscript in front of the symbol of the element.

The expression is given by: XzA

Where, A = mass number and Z = atomic number

In hyphenated form of isotope, the name of chemical element is written before the mass number.

Interpretation Introduction

(c)

Interpretation:

The given statement should be correct if it is incorrect.

Atoms of Ca-41, K-41 and Ar-41 have the same number of neutrons.

Concept introduction:

An atom which has different atomic number (number of protons) but same mass number is known as isobars.

An atom which contain same number of protons (atomic number) but the number of neutrons is different is known as isotopes.

In nuclide notation of isotope, the mass number of the isotope is present in superscript in front of the symbol of given element and atomic number is present in subscript in front of the symbol of the element.

The expression is given by: XzA

Where, A = mass number and Z = atomic number

In hyphenated form of isotope, the name of chemical element is written before the mass number.

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Answer 5

Chapter 2, Problem 15QAP

Interpretation Introduction

(a)

Interpretation:

Among the given atoms, the isobars and isotopes should be identified.

Ca-40, Ca-41, K-41, and Ar-41

Concept introduction:

An atom which has different atomic number (number of protons) but same mass number is known as isobars.

An atom which contain same number of protons (atomic number) but the number of neutrons is different is known as isotopes.

In nuclide notation of isotope, the mass number of the isotope is present in superscript in front of the symbol of given element and atomic number is present in subscript in front of the symbol of the element.

The expression is given by: XzA

Where, A = mass number and Z = atomic number

In hyphenated form of isotope, the name of chemical element is written before the mass number.

Interpretation Introduction

(b)

Interpretation:

The common between Ca-40 and Ca-41 should be identified.

Concept introduction:

An atom which has different atomic number (number of protons) but same mass number is known as isobars.

An atom which contain same number of protons (atomic number) but the number of neutrons is different is known as isotopes.

In nuclide notation of isotope, the mass number of the isotope is present in superscript in front of the symbol of given element and atomic number is present in subscript in front of the symbol of the element.

The expression is given by: XzA

Where, A = mass number and Z = atomic number

In hyphenated form of isotope, the name of chemical element is written before the mass number.

Interpretation Introduction

(c)

Interpretation:

The given statement should be correct if it is incorrect.

Atoms of Ca-41, K-41 and Ar-41 have the same number of neutrons.

Concept introduction:

An atom which has different atomic number (number of protons) but same mass number is known as isobars.

An atom which contain same number of protons (atomic number) but the number of neutrons is different is known as isotopes.

In nuclide notation of isotope, the mass number of the isotope is present in superscript in front of the symbol of given element and atomic number is present in subscript in front of the symbol of the element.

The expression is given by: XzA

Where, A = mass number and Z = atomic number

In hyphenated form of isotope, the name of chemical element is written before the mass number.

Answer 6

Chapter 2, Problem 15QAP

Interpretation Introduction

(a)

Interpretation:

Among the given atoms, the isobars and isotopes should be identified.

Ca-40, Ca-41, K-41, and Ar-41

Concept introduction:

An atom which has different atomic number (number of protons) but same mass number is known as isobars.

An atom which contain same number of protons (atomic number) but the number of neutrons is different is known as isotopes.

In nuclide notation of isotope, the mass number of the isotope is present in superscript in front of the symbol of given element and atomic number is present in subscript in front of the symbol of the element.

The expression is given by: XzA

Where, A = mass number and Z = atomic number

In hyphenated form of isotope, the name of chemical element is written before the mass number.

Answer 7

Chapter 2, Problem 15QAP

Interpretation Introduction

(a)

Interpretation:

Among the given atoms, the isobars and isotopes should be identified.

Ca-40, Ca-41, K-41, and Ar-41

Concept introduction:

An atom which has different atomic number (number of protons) but same mass number is known as isobars.

An atom which contain same number of protons (atomic number) but the number of neutrons is different is known as isotopes.

In nuclide notation of isotope, the mass number of the isotope is present in superscript in front of the symbol of given element and atomic number is present in subscript in front of the symbol of the element.

The expression is given by: XzA

Where, A = mass number and Z = atomic number

In hyphenated form of isotope, the name of chemical element is written before the mass number.

Answer 8

Interpretation Introduction

(b)

Interpretation:

The common between Ca-40 and Ca-41 should be identified.

Concept introduction:

An atom which has different atomic number (number of protons) but same mass number is known as isobars.

An atom which contain same number of protons (atomic number) but the number of neutrons is different is known as isotopes.

In nuclide notation of isotope, the mass number of the isotope is present in superscript in front of the symbol of given element and atomic number is present in subscript in front of the symbol of the element.

The expression is given by: XzA

Where, A = mass number and Z = atomic number

In hyphenated form of isotope, the name of chemical element is written before the mass number.

Answer 9

Interpretation Introduction

(b)

Interpretation:

The common between Ca-40 and Ca-41 should be identified.

Concept introduction:

An atom which has different atomic number (number of protons) but same mass number is known as isobars.

An atom which contain same number of protons (atomic number) but the number of neutrons is different is known as isotopes.

In nuclide notation of isotope, the mass number of the isotope is present in superscript in front of the symbol of given element and atomic number is present in subscript in front of the symbol of the element.

The expression is given by: XzA

Where, A = mass number and Z = atomic number

In hyphenated form of isotope, the name of chemical element is written before the mass number.

Answer 10

Interpretation Introduction

(c)

Interpretation:

The given statement should be correct if it is incorrect.

Atoms of Ca-41, K-41 and Ar-41 have the same number of neutrons.

Concept introduction:

An atom which has different atomic number (number of protons) but same mass number is known as isobars.

An atom which contain same number of protons (atomic number) but the number of neutrons is different is known as isotopes.

In nuclide notation of isotope, the mass number of the isotope is present in superscript in front of the symbol of given element and atomic number is present in subscript in front of the symbol of the element.

The expression is given by: XzA

Where, A = mass number and Z = atomic number

In hyphenated form of isotope, the name of chemical element is written before the mass number.

Answer 11

Interpretation Introduction

(c)

Interpretation:

The given statement should be correct if it is incorrect.

Atoms of Ca-41, K-41 and Ar-41 have the same number of neutrons.

Concept introduction:

An atom which has different atomic number (number of protons) but same mass number is known as isobars.

An atom which contain same number of protons (atomic number) but the number of neutrons is different is known as isotopes.

In nuclide notation of isotope, the mass number of the isotope is present in superscript in front of the symbol of given element and atomic number is present in subscript in front of the symbol of the element.

The expression is given by: XzA

Where, A = mass number and Z = atomic number

In hyphenated form of isotope, the name of chemical element is written before the mass number.

Answer 12

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Solution Summary: The author explains that the common between Ca-40 and Ca-41 should be identified.

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