Student Solutions Manual for Bettelheim/Brown/Campbell/Farrell/Torres' Introduction to General, Organic and Biochemistry, 11th
Student Solutions Manual for Bettelheim/Brown/Campbell/Farrell/Torres' Introduction to General, Organic and Biochemistry, 11th
11th Edition
ISBN: 9781305081055
Author: Bettelheim, Frederick A.
Publisher: Cengage Learning
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Chapter 3, Problem 3.18P

3-18 How many electrons must each atom gain or lose to acquire an electron configuration identical to the noble gas nearest to it in atomic number?

(a) Li

(b) Cl

(c) P

(d) Al

(e) Sr

(f) S

(g) Si

(h) O

Expert Solution
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Interpretation Introduction

(a)

Interpretation:

The number of electrons which must be gain or lose by Li to acquire an electronic configuration identical to the neat noble gas should be determined.

Concept Introduction:

Octet rule: generally all atoms will lose, gain or share electrons to attain 8 valence electrons; the electronic configuration of the nearest noble element.

Duet rule: generally some atoms like hydrogen, lithium, beryllium will lose, gain or share electrons to attain 2 valence electrons; the electronic configuration of the nearest noble element like helium.

Answer to Problem 3.18P

Li will lose 1 electron.

Explanation of Solution

The atomic number or number of electrons of Li is 3, the electronic configuration of Li is as follows:

Li3:1s2  2s1

Li will lose 1 electrons to attain 2 valence electrons; the electronic configuration of the nearest noble element helium as follows:

li+2:1s2[He] 

Expert Solution
Check Mark
Interpretation Introduction

(b)

Interpretation:

The number of electrons which must be gain or lose by Cl to acquire an electronic configuration identical to the neat noble gas should be determined.

Concept Introduction:

Octet rule: generally all atoms will lose, gain or share electrons to attain 8 valence electrons; the electronic configuration of the nearest noble element.

Duet rule: generally some atoms like hydrogen, lithium, beryllium will lose, gain or share electrons to attain 2 valence electrons; the electronic configuration of the nearest noble element like helium.

Answer to Problem 3.18P

Cl will gain 1 electron.

Explanation of Solution

The atomic number or number of electrons of Cl is 17, the electronic configuration of Cl is as follows:

Cl17:1s2  2s22p6   3s23p5

Cl will gain 1 electrons to attain 8 valence electrons; the electronic configuration of the nearest noble element argon as follows:

Cl18:1s2  2s22p6   3s23p6[ar] 

Expert Solution
Check Mark
Interpretation Introduction

(c)

Interpretation:

The number of electrons which must be gain or lose by P to acquire an electronic configuration identical to the neat noble gas should be determined.

Concept Introduction:

Octet rule: generally all atoms will lose, gain or share electrons to attain 8 valence electrons; the electronic configuration of the nearest noble element.

Duet rule: generally some atoms like hydrogen, lithium, beryllium will lose, gain or share electrons to attain 2 valence electrons; the electronic configuration of the nearest noble element like helium.

Answer to Problem 3.18P

P will gain 3 electron.

Explanation of Solution

The atomic number or number of electrons of P is 15, the electronic configuration of P is as follows:

P15:1s2  2s22p6   3s23p3

P will gain 3 electrons to attain 8 valence electrons; the electronic configuration of the nearest noble element argon as follows:

P318:1s2  2s22p6   3s23p6[ar] 

Expert Solution
Check Mark
Interpretation Introduction

(d)

Interpretation:

The number of electrons which must be gain or lose by al to acquire an electronic configuration identical to the neat noble gas should be determined.

Concept Introduction:

Octet rule: generally all atoms will lose, gain or share electrons to attain 8 valence electrons; the electronic configuration of the nearest noble element.

Duet rule: generally some atoms like hydrogen, lithium, beryllium will lose, gain or share electrons to attain 2 valence electrons; the electronic configuration of the nearest noble element like helium.

Answer to Problem 3.18P

al will lose 3 electron.

Explanation of Solution

The atomic number or number of electrons of al is 13, the electronic configuration of al is as follows:

al13:1s2  2s22p6   3s23p1

al will lose 3 electrons to attain 8 valence electrons; the electronic configuration of the nearest noble element neon as follows:

al3+10:1s2  2s22p6   [Ne] 

Expert Solution
Check Mark
Interpretation Introduction

(e)

Interpretation:

The number of electrons which must be gain or lose by Sr to acquire an electronic configuration identical to the neat noble gas should be determined.

Concept Introduction:

Octet rule: generally all atoms will lose, gain or share electrons to attain 8 valence electrons; the electronic configuration of the nearest noble element.

Duet rule: generally some atoms like hydrogen, lithium, beryllium will lose, gain or share electrons to attain 2 valence electrons; the electronic configuration of the nearest noble element like helium.

Answer to Problem 3.18P

Sr will lose 2 electrons.

Explanation of Solution

The atomic number or number of electrons of Sr is 38, the electronic configuration of Sr is as follows:

Sr38:1s2  2s22p6   3s23p63d10    4s2

Sr will lose 2 electrons to attain 8 valence electrons; the electronic configuration of the nearest noble element krypton as follows:

Sr2+36:1s2  2s22p6   3s23p63d10    4s0[Kr] 

Expert Solution
Check Mark
Interpretation Introduction

(f)

Interpretation:

The number of electrons which must be gain or lose by S to acquire an electronic configuration identical to the neat noble gas should be determined.

Determine the number of elections which must gain or lose to acquire an electronic configuration identical to the neat noble gas.

Concept Introduction:

Octet rule: generally all atoms will lose, gain or share electrons to attain 8 valence electrons; the electronic configuration of the nearest noble element.

Duet rule: generally some atoms like hydrogen, lithium, beryllium will lose, gain or share electrons to attain 2 valence electrons; the electronic configuration of the nearest noble element like helium.

Answer to Problem 3.18P

S will gain 2 electrons.

Explanation of Solution

The atomic number or number of electrons of S is 16, the electronic configuration of S is as follows:

S16:1s2  2s22p6   3s23p4

S will gain 2 electrons to attain 8 valence electrons; the electronic configuration of the nearest noble element argon as follows:

S218:1s2  2s22p6   3s23p6[ar] 

Expert Solution
Check Mark
Interpretation Introduction

(g)

.

Interpretation:

The number of electrons which must be gain or lose by Si to acquire an electronic configuration identical to the neat noble gas should be determined.

Concept Introduction:

Octet rule: generally all atoms will lose, gain or share electrons to attain 8 valence electrons; the electronic configuration of the nearest noble element.

Duet rule: generally some atoms like hydrogen, lithium, beryllium will lose, gain or share electrons to attain 2 valence electrons; the electronic configuration of the nearest noble element like helium.

Answer to Problem 3.18P

Si will lose 4 electrons.

Explanation of Solution

The atomic number or number of electrons of Si is 14, the electronic configuration of Si is as follows:

Si14:1s2  2s22p6   3s23p2

Si will lose 4 electrons to attain 8 valence electrons; the electronic configuration of the nearest noble element neon as follows:

Si4+10:1s2  2s22p6   [Ne] 

Expert Solution
Check Mark
Interpretation Introduction

(h)

Interpretation:

The number of electrons which must be gain or lose by O to acquire an electronic configuration identical to the neat noble gas should be determined.

Concept Introduction:

Octet rule: generally all atoms will lose, gain or share electrons to attain 8 valence electrons; the electronic configuration of the nearest noble element.

Duet rule: generally some atoms like hydrogen, lithium, beryllium will lose, gain or share electrons to attain 2 valence electrons; the electronic configuration of the nearest noble element like helium.

Answer to Problem 3.18P

O will gain 2 electrons.

Explanation of Solution

The atomic number or number of electrons of O is 8, the electronic configuration of O is as follows:

O8:1s2  2s22p4   

O will gain 2 electrons to attain 8 valence electrons; the electronic configuration of the nearest noble element Neon as follows:

O210:1s2  2s22p6 [Ne] 

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Chapter 3 Solutions

Student Solutions Manual for Bettelheim/Brown/Campbell/Farrell/Torres' Introduction to General, Organic and Biochemistry, 11th

Ch. 3.7 - Prob. 3.11PCh. 3.8 - Prob. 3.12PCh. 3.9 - Prob. 3.13PCh. 3.9 - Prob. 3.14PCh. 3.10 - Problem 3-15 Predict all bond angles for these...Ch. 3.11 - Problem 3-16 Which of these molecules are polar?...Ch. 3 - 3-17 Answer true or false. (a) The octet rule...Ch. 3 - 3-18 How many electrons must each atom gain or...Ch. 3 - 3-19 Show how each chemical change obeys the octet...Ch. 3 - 3-20 Show how each chemical change obeys the octet...Ch. 3 - 3-21 Write the formula for the most stable ion...Ch. 3 - 3-22 Why is Li- not a stable ion?Ch. 3 - 3-23 Predict which ions are stable: (a) (b) (c)...Ch. 3 - 3-24 Predict which ions are stable: (a) Br2- (b)...Ch. 3 - 3-25 Why are carbon and silicon reluctant to form...Ch. 3 - 3-26 Table 3-2 shows the following ions of copper:...Ch. 3 - 3-27 Answer true or false. (a) For Group lA and...Ch. 3 - 3-28 Name each polyatomic ion. (a) HCO3- (b) NO2-...Ch. 3 - 3-29 Answer true or false. (a) According to the...Ch. 3 - Prob. 3.30PCh. 3 - 3-31 Why does electronegativity generally increase...Ch. 3 - 3-32 Judging from their relative positions in the...Ch. 3 - Prob. 3.33PCh. 3 - 3-34 Which of these bonds is the most polar? The...Ch. 3 - 3-35 Classify each bond as nonpolar covalent,...Ch. 3 - 3-36 Classify each bond as nonpolar covalent,...Ch. 3 - 3-37 Answer true or false. (a) An ionic bond is...Ch. 3 - 3-38 Complete the chart by writing formulas for...Ch. 3 - 3-39 Write a formula for the ionic compound formed...Ch. 3 - Prob. 3.40PCh. 3 - 3-41 Describe the structure of sodium chloride in...Ch. 3 - 3-42 What is the charge on each ion in these...Ch. 3 - 3-43 Write the formula for the compound formed...Ch. 3 - 3-44 Write the formula for the ionic compound...Ch. 3 - 3-45 Which formulas are not correct? For each that...Ch. 3 - 3-46 Which formulas are not correct? For each that...Ch. 3 - 3-47 Answer true or false. (a) The name of a...Ch. 3 - 3-48 Potassium chloride and potassium bicarbonate...Ch. 3 - Prob. 3.49PCh. 3 - 3-50 Name the polyatomic ion(s) in each compound....Ch. 3 - 3-51 Write the formulas for the ions present in...Ch. 3 - Prob. 3.52PCh. 3 - 3-53 Write formulas for the following ionic...Ch. 3 - 3-54 Write formulas for the following ionic...Ch. 3 - Prob. 3.55PCh. 3 - 3-56 How many covalent bonds are normally formed...Ch. 3 - 3-57 What is: (a) A single bond? (b) A double...Ch. 3 - 3-58 In Section 2-3B, we saw that there are seven...Ch. 3 - Prob. 3.59PCh. 3 - Prob. 3.60PCh. 3 - Prob. 3.61PCh. 3 - Prob. 3.62PCh. 3 - 3-63 What is the difference between (a) a bromine...Ch. 3 - 3-64 Acetylene (C2H2), hydrogen cyanide (HCN), and...Ch. 3 - Prob. 3.65PCh. 3 - 3-66 Why can’t second-row elements have more than...Ch. 3 - 3-67 Why does nitrogen have three bonds and one...Ch. 3 - 3-68 Draw a Lewis structure of a covalent compound...Ch. 3 - Prob. 3.69PCh. 3 - 3-70 Draw a Lewis structure of a covalent compound...Ch. 3 - Prob. 3.71PCh. 3 - Prob. 3.72PCh. 3 - Prob. 3.73PCh. 3 - 3-74 Answer true or false. (a) A binary covalent...Ch. 3 - Prob. 3.75PCh. 3 - Prob. 3.76PCh. 3 - 3-77 Ozone, O3, is an unstable blue gas with a...Ch. 3 - 3-78 Nitrous oxide, N20, laughing gas, is a...Ch. 3 - 3-79 Answer true or false. (a) The letters VSEPR...Ch. 3 - Prob. 3.80PCh. 3 - Prob. 3.81PCh. 3 - 3-82 Hydrogen and nitrogen combine in different...Ch. 3 - Prob. 3.83PCh. 3 - Prob. 3.84PCh. 3 - Prob. 3.85PCh. 3 - Prob. 3.86PCh. 3 - 3-87 Consider the molecule boron trffluoride, BF3....Ch. 3 - Prob. 3.88PCh. 3 - 3-89 Is it possible for a molecule to have no...Ch. 3 - Prob. 3.90PCh. 3 - Prob. 3.91PCh. 3 - Prob. 3.92PCh. 3 - Prob. 3.93PCh. 3 - Prob. 3.94PCh. 3 - Prob. 3.95PCh. 3 - Prob. 3.96PCh. 3 - Prob. 3.97PCh. 3 - Prob. 3.98PCh. 3 - 3-99 Knowing what you do about covalent bonding in...Ch. 3 - Prob. 3.100PCh. 3 - Prob. 3.101PCh. 3 - Prob. 3.102PCh. 3 - Prob. 3.103PCh. 3 - Prob. 3.104PCh. 3 - 3-105 Consider the structure of Vitamin E shown...Ch. 3 - 3-106 Consider the structure of Penicillin G shown...Ch. 3 - 3-107 Ephedrine, a molecule at one time found in...Ch. 3 - Prob. 3.108PCh. 3 - 3-109 Until several years ago, the two...Ch. 3 - 3-110 Name and write the formula for the fluorine...Ch. 3 - Prob. 3.111PCh. 3 - Prob. 3.112PCh. 3 - Prob. 3.113PCh. 3 - Prob. 3.114PCh. 3 - Prob. 3.115PCh. 3 - Prob. 3.116PCh. 3 - Prob. 3.117PCh. 3 - Prob. 3.118PCh. 3 - 3-119 Perchloroethylene, which is a liquid at room...Ch. 3 - 3-120 Vinyl chloride is the starting material for...Ch. 3 - 3-121 Tetrafluoroethylene is the starting material...Ch. 3 - 3-122 Some of the following structural formulas...Ch. 3 - 3-123 Sodium borohydride, NaBH4, has found wide...Ch. 3 - Prob. 3.124PCh. 3 - Prob. 3.125PCh. 3 - Prob. 3.126PCh. 3 - 3-127 Amoxicillin is an antibiotic used to treat...Ch. 3 - Prob. 3.128P
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