Solved: Which of the following pairs of elements are most

Problem 1QP State the number of electrons that must be lost by atoms of each of the following to obtain a stable electron configuration: a. Li b. Ca c. Ga d. Cs e. Ba

Problem 1SC Name the compound Ga2S3.

Problem 20QP Write the name for each of the following (include the Roman numeral when necessary): a. Ag+ b. Cu+ c. Fe3+ d. Sn2+ e. Au3+ f. Ni2+

Problem 21QP Write the name for each of the following: a. SnCl2 b. FeO c. Cu2S d. CuS e. CrBr3 f. ZnCl2

Problem 22QP Write the name for each of the following: a. Ag3P b. PbS c. SnO2 d. MnCl3 e. FeS f. CoCl2

Problem 23QP Write the symbol for the cation in each of the following: a. AuCl3 b. Fe2O3 c. PbI4 d. SnCl2

Problem 24QP Write the symbol for the cation in each of the following: a. FeCl2 b. CrO c. Ni2S3 d. AlP

Problem 25QP Write formulas for the following ionic compounds: a. magnesium chloride b. sodium sulfide c. copper(I) oxide d. zinc phosphide e. gold(III) nitride f. chromium(II) chloride

Problem 26QP Write formulas for the following ionic compounds: a. nickel(III) oxide b. barium fluoride c. tin(IV) chloride d. silver sulfide e. copper(II) chloride f. lithium nitride

Problem 27QP Write the formula, including the charge, for each of the following polyatomic ions: a. hydrogen carbonate (bicarbonate) b. ammonium c. phosphate d. hydrogen sulfate e. perchlorate

Problem 28QP Write the formula, including the charge, for each of the following polyatomic ions: a. nitrite b. sulfite c. hydroxide d. hypophosphite e. bromate

Problem 29QP Name each of the following polyatomic ions: a. SO42- b. ClO? c. PO43? d. NO3?

Predict whether each of the following bonds is nonpolar covalent, polar covalent, or ionic: a. Si—O b. K—Cl c. S—F d. P—Br e. Li—S f. N—S

Problem 61QP For each of the following bonds, indicate the positive end with ?+ and the negative end with ??. Draw an arrow to show the dipole for each. a. N—F b. Si—Br c. C—O d. P—Br e. N—P

Problem 62QP For each of the following bonds, indicate the positive end with ?+ and the negative end with ??. Draw an arrow to show the dipole for each. a. P—Cl b. Se—F c. Br—F d. N—H e. B—Cl

Problem 64QP Choose the shape (1–6) that matches with each of the following three descriptions: 1. linear 2. bent (109°) 3. trigonal planar 4. bent (120°) 5. trigonal pyramidal 6. tetrahedral a. a molecule with a central atom that has four electron groups and two bonded atoms b. a molecule with a central atom that has two electron groups and two bonded atoms c. a molecule with a central atom that has three electron groups and two bonded atoms

Choose the shape that matches with each of the following three descriptions: trigonal pyramidal a. a molecule with a central atom that has four electron groups and four bonded atoms b. a molecule with a central atom that has four electron groups and three bonded atoms c. a molecule with a central atom that has three electron groups and three bonded atoms

Problem 65QP Complete each of the following statements for a molecule of SeO3: a. There are ______electron groups around the central atom. b. The electron-group geometry is_____________. c. The shape of the molecule is_____________. d. The molecule is (polar/nonpolar)_____________.

Problem 66QP Complete each of the following statements for a molecule of SeCl2: a. There are_____electron groups around the central atom. b. The electron-group geometry is_______________. c. The shape of the molecule is_______________. d. The molecule is (polar/nonpolar)_______________.

Problem 67QP Which of the following molecules has the same shape as PH3? a. NCl3 b. PCl3 c. BF3

Problem 68QP Which of the following molecules has the same shape as CO2? a. BeF2 b. H2O c. OF2

Problem 69QP Use the VSEPR theory to predict the shape of each molecule: a. OF2 b. CCl4 c. GaCl3 d. SeO2

Problem 100AQP Write the formula for each of the following ionic compounds: (5.3) a. nickel(III) oxide b. iron(III) sulfide c. lead(II) sulfide d. chromium(III) iodide e. lithium nitride f. gold(I) oxide

Problem 101AQP Draw the electron-dot formula for each of the following: (5.5) a. Cl2O b. CF4 c. H2NOH (N is the central atom) d. H2CCCl2

Problem 102AQP Draw the electron-dot formula for each of the following: (5.5) a. H3COCH3; the atoms are in the order C O C b. CS2; the atoms are in the order S C S c. NH3 d. H2CCHCN; the atoms are in the order C C C N

Problem 103AQP Name each of the following covalent compounds: (5.6) a. NCl3 b. N2S3 c. N2O d. F2 e. SO2 f. P2O5

Problem 104AQP Name each of the following covalent compounds: (5.6) a. CBr4 b. SF6 c. Br2 d. N2O4 e. PCl5 f. CS2

Problem 105AQP Write the formula for each of the following: (5.6) a. carbon monoxide b. diphosphorus pentoxide c. dihydrogen sulfide d. sulfur dichloride

Problem 106AQP Write the formula for each of the following: (5.6) a. silicon dioxide b. carbon tetrabromide c. diphosphorus tetraiodide d. dinitrogen oxide

Problem 107AQP Classify each of the following compounds as ionic or covalent, and give its name: (5.2, 5.3, 5.4, 5.6) a. FeCl3 b. Na2SO4 c. NO2 d. N2 e. PF5 f. CF4

Problem 108AQP Classify each of the following compounds as ionic or covalent, and give its name: (5.2, 5.3, 5.4, 5.6) a. Al2(CO3)3 b. ClF5 c. H2 d. Mg3N2 e. ClO2 f. CrPO4

Problem 109AQP Write the formulas for the following: (5.2, 5.3, 5.4, 5.6) a. tin(II) carbonate b. lithium phosphide c. silicon tetrachloride d. manganese(III) oxide e. iodine f. calcium bromide

Write the symbol for the ion of each of the following: a. chlorine b. potassium c. oxygen d. aluminum e. selenium

Problem 7SC Draw the electron-dot formula for HCN (atoms arranged as H C N).

Problem 8QP Write the symbol for the ion of each of the following: a. fluorine b. calcium c. sodium d. iodine e. barium

Problem 8SC Draw three resonance structures for SO3.

Problem 9QP Which of the following pairs of elements are likely to form ionic compounds? a. lithium and chlorine b. oxygen and bromine c. potassium and oxygen d. sodium and neon e. cesium and magnesium f. nitrogen and fluorine

Problem 9SC Write the name for each of the following compounds: a. SiBr4 b. Br2O

Problem 10QP Which of the following pairs of elements are likely to form ionic compounds? a. helium and oxygen b. magnesium and chlorine c. chlorine and bromine d. potassium and sulfur e. sodium and potassium f. nitrogen and iodine

Problem 10SC What is the formula of iodine heptafluoride?

Problem 11QP Write the correct ionic formula for the compound formed between the following: a. Na+ and O2? b. Al3+ and Br? c. Ba2+ and N3? d. Mg2+ and F? e. Al3+ and S2?

Problem 11SC Using electronegativity values, classify each bond as nonpolar covalent, polar covalent, or ionic: a. P—Cl b. Br—Br c. Na—O

Problem 70QP Use the VSEPR theory to predict the shape of each molecule: a. NCl3 b. SCl2 c. SiF2Cl2 d. BeBr2

Problem 71QP The molecule Cl2 is nonpolar, but HCl is polar. Explain.

Problem 72QP The molecules CH4 and CH3Cl both have tetrahedral shapes. Why is CH4 nonpolar whereas CH3Cl is polar?

Problem 73QP Identify each of the following molecules as polar or nonpolar: a. HBr b. NF3 c. CHF3 d. SO3

Problem 74QP Identify each of the following molecules as polar or nonpolar: a. SeF2 b. PBr3 c. SiF4 d. SeO2

Problem 75QP Identify the major type of interactive force between particles in each of the following: a. BrF b. KCl c. CCl4 d. Cl2

Problem 76QP Identify the major type of interactive force between particles in each of the following: a. HCl b. MgF2 c. PBr3 d. NH3

Problem 77QP Identify the strongest attractive forces between molecules of each of the following: a. CH3OH b. N2 c. HBr d. CH4 e. CH3CH3

Problem 78QP Identify the strongest attractive forces between molecules of each of the following: a. O2 b. CBr4 c. CH3Cl d. H2O e. NF3

Problem 79QP Identify the substance in each of the following pairs that would have the higher boiling point and explain your choice: a. HF or HBr b. HF or NaF c. MgBr2 or PBr3 d. CH4 or CH3OH

Problem 80QP Identify the substance in each of the following pairs that would have the higher boiling point and explain your choice: a. NaCl or HCl b. H2O or H2Se c. NH3 or PH3 d. F2 or HF

Problem 81UTC Identify each of the following atoms or ions: (5.1) a. b. c. d.

Problem 82UTC Identify each of the following atoms or ions: (5.1) a. b. c. d.

Problem 83UTC Identify each of the following atoms or ions: (5.1) a. 35 protons, 45 neutrons, and 36 electrons b. 47 protons, 60 neutrons, and 46 electrons c. 50 protons, 68 neutrons, and 46 electrons

Problem 84UTC Identify each of the following atoms or ions: (5.1) a. 28 protons, 31 neutrons, and 26 electrons b. 82 protons, 126 neutrons, and 82 electrons c. 34 protons, 46 neutrons, and 36 electrons

Problem 85UTC Consider an ion with the symbol X2+ formed from a representative element. (5.2, 5.3) a. What is the group number of the element? b. What is the electron-dot symbol of the element? c. If X is in Period 3, what is the element? d. What is the formula of the compound formed from X and the nitride ion?

Problem 86UTC Consider an ion with the symbol Y3? formed from a representative element. (5.2, 5.3) a. What is the group number of the element? b. What is the electron-dot symbol of the element? c. If Y is in Period 3, what is the element? d. What is the formula of the compound formed from the barium ion and Y?

Problem 87UTC Match each of the electron-dot formulas (a—c) with the correct diagram (1—3) of its shape, and name the shape; indicate if each molecule is polar or nonpolar. Assume X and Y are non-metals and all bonds are polar covalent. (5.7, 5.8) 1 2 3 a. b. c.

Problem 88UTC Match each of the formulas (a–c) with the correct diagram (1–3) of its shape, and name the shape; indicate if each molecule is polar or nonpolar. (5.7, 5.8) 1 2 3 a. PBr3 b. SiCl4 c. OF2

Problem 89UTC Consider the following bonds: Ca—O, C—O, K—O, O—O, and N—O. (5.7) a. Which bonds are polar covalent? b. Which bonds are nonpolar covalent? c. Which bonds are ionic? d. Arrange the covalent bonds in order of decreasing polarity.

Problem 120CQ Write the formula and name for the compound that forms for each pair of elements (X = metal, Y = nonmetal) indicated by the period and electron-dot symbols in the following table: (5.2, 5.3, 5.5, 5.6)

Problem 121CQ Write the ions, formulas, and names for the ionic compounds using the electron configuration of the elements. Electron Configurations Symbols of Ions Metal Nonmetal Cation Anion Formula of Compound Name of Compound 1s22s1 1s22s22p63s23p4 1s22s22p63s23p64s2 1s22s22p63s23p3 1s22s22p63s1 1s22s22p63s23p5

Problem 122CQ Write the symbols of ions, formulas, and names for their ionic compounds using the electron configurations. (5.2, 5.3) Electron Configurations Symbols of Ions Metal Nonmetal Cation Anion Formula of Compound Name of Compound 1s22s22p63s2 1s22s22p3 1s22s22p63s23p64sl 1s22s22p4 1s22s22p63s23p1 1s22s22p5

Problem 123CQ Consider the following electron-dot formulas for elements X and Y: (5.2, 5.3, 5.5, 5.6) a. What are the group numbers of X and Y? b. Will a compound of X and Y be ionic or covalent? c. What ions would be formed by X and Y? d. What would be the formula of a compound of X and Y? e. What would be the formula of a compound of X and chlorine f. What would be the formula of a compound of Y and sodium g. Is the compound in part f ionic or covalent?

Problem 124CQ Consider the following electron-dot formulas for elements X and Y: (5.2, 5.3, 5.5, 5.6) a. What are the group numbers of X and Y? b. Will a compound of X and Y be ionic or covalent? c. What ions would be formed by X and Y? d. What would be the formula of a compound of X and Y? e. What would be the formula of a compound of X and chlorine? f. What would be the formula of a compound of Y and sulfur? g. Is the compound in part f ionic or covalent?

Problem 125CQ Classify the following compounds as ionic or covalent and name each: (5.2, 5.3, 5.5, 5.6) a. Li2O b. N2O c. CF4 d. Cl2O

Problem 126CQ Classify the following compounds as ionic or covalent and name each: (5.2, 5.3, 5.5, 5.6) a. MgF2 b. CO c. CaCl2 d. K3PO4

Problem 127CQ Name the following compounds: (5.3, 5.4, 5.6) a. FeCl2 b. Cl2O7 c. N2 d. Ca3(PO4)2 e. PCl3 f. Ca (ClO)2

Problem 128CQ Name the following compounds: (5.3, 5.4, 5.6) a. PbCl4 b. MgCO3 c. NO2 d. SnSO4 e. Ba(NO3)2 f. CuS

Problem 129CQ Predict the shape and polarity of each of the following molecules: (5.8) a. H2S b. NF3 c. NH3 d. CH3Cl e. SiF4

Problem 2SC Write the name for the compound with the formula Mn2S3.

Problem 2QP State the number of electrons that must be gained by atoms of each of the following to obtain a stable electron configuration: a. Cl b. Se c. N d. I e. S

Write the symbols for the ions with the following number of protons and electrons: a. 3 protons, 2 electrons b. 9 protons, 10 electrons c. 12 protons, 10 electrons d. 26 protons, 23 electrons

Problem 3SC Write the correct formula for chromium(III) oxide.

Problem 4QP Write the symbols for the ions with the following number of protons and electrons: a. 30 protons, 28 electrons b. 53 protons, 54 electrons c. 82 protons, 78 electrons d. 15 protons, 18 electrons

Problem 4SC What is the name of Co3(PO4)2?

Problem 5QP How many protons and electrons are in each of the following ions? a. O2? b. K+ c. Br? d. S2?

Problem 5SC Write the formula for a compound containing ammonium ion(s) and phosphate ion(s).

Problem 6QP How many protons and electrons are in each of the following ions? a. Sr2+ b. F? c. Au3+ d. Cs+

Problem 6SC Draw the electron-dot formula for Cl2O (O is the central atom).

Problem 30QP Name each of the following polyatomic ions: a. OH? b. HSO3? c. CN? d. NO2?

Complete the following table with the formula of the compound that forms between each pair of ions:

Problem 33QP Write the formula for the polyatomic ion in each of the following and name each compound: a. Na2CO3 b. NH4Cl c. K3PO4 d. Cr(NO2)2 e. FeSO3

Problem 32QP Complete the following table with the formula of the compound that forms between each pair of ions: NO3? HCO32 SO32? HPO42? NH4+ Al3+ Pb4+

Write the correct formula for each of the following compounds: a. barium hydroxide b. sodium sulfate c. iron(II) nitrate d. zinc phosphate e. iron(III) carbonate

Problem 36QP Write the correct formula for each of the following ionic compounds: a. aluminum chlorate b. ammonium oxide c. magnesium bicarbonate d. sodium nitrite e. copper(I) sulfate

Problem 34QP Write the formula for the polyatomic ion in each of the following and name each compound: a. KOH b. NaNO3 c. Au2CO3 d. NaHCO3 e. BaSO4

Problem 37QP Which of the following pairs of elements are most likely to form covalent compounds? a. oxygen and chlorine b. calcium and bromine c. nitrogen and oxygen d. iodine and iodine e. sodium and iodine f. carbon and sulfur

Problem 38QP Which of the following pairs of elements are most likely to form covalent compounds? a. chlorine and bromine b. phosphorus and oxygen c. cesium and fluorine d. barium and iodine e. nitrogen and bromine f. potassium and sulfur

Problem 39QP State the number of valence electrons, bonding pairs, and lone pairs in each of the following electron-dot formulas: a. b. c.

Problem 40QP State the number of valence electrons, bonding pairs, and lone pairs in each of the following electron-dot formulas: a. b. c.

Problem 41QP Draw the electron-dot formula for each of the following molecules: a. HF b. NBr3 c. d.

Problem 42QP Draw the electron-dot formula for each of the following molecules: a. H2O b. SiF4 c. CF2Cl2. d.

Problem 43QP Draw the electron-dot formula, including multiple bonds, for each of the following molecules: a. CO (carbon monoxide) b. H2CCH2 (ethylene) c. H2CO (C is the central atom)

Problem 45QP Draw resonance structures for ClNO2 (N is the central atom).

Problem 44QP Draw the electron-dot formula, including multiple bonds, for each of the following molecules: a. HCCH (acetylene) b. CS2 (C is the central atom) c. COCl2 (C is the central atom)

Problem 46QP Draw resonance structures for N2O (N N O).

Problem 47QP Name each of the following: a. PBr3 b. CBr4 c. SiO2 d. N2O3 e. PCl5

Problem 48QP Name each of the following: a. CS2 b. P2O5 c. Cl2O d. PCl3 e. IBr3

Problem 49QP Write the formula for each of the following: a. carbon tetrachloride b. carbon monoxide c. phosphorus trichloride d. dinitrogen tetroxide e. boron trifluoride f. sulfur hexafluoride

Problem 110AQP Write the formulas for the following: (5.2, 5.3, 5.4, 5.6) a. sodium carbonate b. nitrogen dioxide c. aluminum nitrate d. copper(I) nitride e. potassium phosphate f. cobalt(III) sulfate

Problem 111AQP Select the more polar bond in each of the following pairs: (5.7) a. C—N or C—O b. N—F or N—Br c. Br—Cl or S—Cl d. Br—Cl or Br—I e. N—F or N—O

Select the more polar bond in each of the following pairs: a. C — C or C — O b. P — Cl or P — Br c. Si — S or Si — Cl d. F — Cl or F — Br e. P — O or P — S

Problem 113AQP Show the dipole arrow for each of the following bonds: a. Si — Cl b. C — N c. F — Cl d. C — F e. N — O

Classify each of the following bonds as nonpolar covalent, polar covalent, or ionic: (5.7) a. C—O b. N—F c. O—Cl d. S—Cl e. P—F

Problem 115AQP Classify each of the following bonds as nonpolar covalent, polar covalent, or ionic: a. Si — Cl b. C — C c. Na — Cl d. C — H e. F — F

Problem 116AQP Classify each of the following bonds as nonpolar covalent, polar covalent, or ionic: a. C — N b. Cl — Cl c. K — Br d. H — H e. N — F

Problem 117AQP For each of the following, draw the electron-dot formula and determine the shape of the molecule: (5.8) a. NF3 b. SiBr4 c. BeCl2 d. SO2

Problem 118AQP For each of the following, draw the electron-dot formula and determine the shape of the molecule: (5.8) a. SiH4 b. HCCH c. COCl2 (C is the central atom) d. BCl3

Problem 119CQ Write the formula and name for the compound that forms for each pair of elements (X = metal, Y = nonmetal) indicated by the period and electron-dot symbols in the following table: (5.2, 5.3, 5.5, 5.6)

Problem 12QP Write the correct ionic formula for the compound formed between the following: a. Al3+ and Cl? b. Ca2+ and S2? c. Li+ and S2? d. Rb+ and P3? e. Cs+ and I?

Problem 12SC Predict the shape of CBr4.

Problem 13QP Write the symbols for the ions and the correct formula for the ionic compound formed by each of the following: a. potassium and sulfur b. sodium and nitrogen c. aluminum and iodine d. gallium and oxygen

Problem 13SC Would PCl3 be a polar or nonpolar molecule?

Problem 14QP Write the symbols for the ions and the correct formula for the ionic compound formed by each of the following: a. calcium and chlorine b. rubidium and sulfur c. sodium and phosphorus d. magnesium and oxygen

Problem 15QP Write the name for each of the following: a. Al2O3 b. CaCl2 c. Na2O d. Mg3P2 e. KI f. BaF2

Problem 17QP Why is a Roman numeral placed after the name of the ions of most transition elements?

Problem 16QP Write the name for each of the following: a. MgCl2 b. K3P c. Li2S d. CsF e. MgO f. SrBr2

Problem 18QP The compound CaCl2 is named calcium chloride; the compound CuCl2 is named copper(II) chloride. Explain why a Roman numeral is used in one name but not in the other.

Problem 19QP Write the name for each of the following (include the Roman numeral when necessary): a. Fe2+ b. Cu2+ c. Zn2+ d. Pb4+ e. Cr3+ f. Mn2+

Problem 50QP Write the formula for each of the following: a. sulfur dioxide b. silicon tetrachloride c. iodine pentafluoride d. dinitrogen oxide e. tetraphosphorus hexoxide f. dinitrogen pentoxide

Problem 51QP Name each of the following: a. Al2(SO4)3 antiperspirant b. CaCO3 antacid c. N2O “laughing gas” (inhaled anesthetic) d. Na3PO4 cathartic e. (NH4)2SO4 fertilizer f. Fe2O3 pigment

Problem 52QP Name each of the following: a. N2 Earth’s atmosphere b. Mg3(PO4)2 antacid c. FeSO4 iron supplement in vitamins d. N2O4 rocket fuel e. Cu2O fungicide f. NI3 contact explosive

Problem 53QP Using the periodic table, describe the trend in electronegativity as increases or decreases for each of the following: a. from B to F b. from Mg to Ba c. from F to I

Problem 54QP Using the periodic table, describe the trend in electronegativity as increases or decreases for each of the following: a. from Al to Cl b. from N to Bi c. from Li to Cs

Problem 55QP State the electronegativity difference for each of the following pairs of elements: a. Rb and Cl b. Cl and Cl c. N and O d. C and H

Problem 56QP State the electronegativity difference for each of the following pairs of elements: a. Sr and S b. N and S c. Cl and Br d. K and F

Using the periodic table, arrange the atoms in each set in order of increasing electronegativity: a. Li, Na, K b. Na, Cl, P c. Se, Ca, O

Problem 58QP Using the periodic table, arrange the atoms in each of the following sets in order of increasing electronegativity: a. Cl, F, Br b. B, O, N c. Mg, F, S

Problem 59QP Predict whether each of the following bonds is nonpolar covalent, polar covalent, or ionic: a. Si—Br b. Li—F c. Br—F d. I—I e. N—P f. C—O

Problem 90UTC Consider the following bonds: F—Cl, Cl—Cl, Cs—Cl, O—Cl, and Ca—Cl. (5.7) a. Which bonds are polar covalent? b. Which bonds are nonpolar covalent? c. Which bonds are ionic? d. Arrange the covalent bonds in order of decreasing polarity.

Write the electron configuration for each of the following: (5.1) a. \(\mathrm{N}^{3-}\) b. \(\mathrm{Mg}^{2+}\) c. \(\mathrm{P}^{3-}\) d. \(\mathrm{Al}^{3+}\) e. \(\mathrm{Li}^{+}\)

Problem 92AQP Write the electron configuration for each of the following: (5.1) a. K+ b. Na+ c. S2? d. Cl? e. Ca2+

Problem 93AQP One of the ions of tin is tin(IV). a. What is the symbol for this ion? b. How many protons and electrons are in the ion? c. What is the formula of tin(IV) oxide? d. What is the formula of tin(IV) phosphate?

Problem 94AQP One of the ions of gold is gold(III). (5.1, 5.2, 5.3, 5.4) a. What is the symbol for this ion? b. How many protons and electrons are in the ion? c. What is the formula of gold(III) sulfate? d. What is the formula of gold(III) nitrate?

Problem 95AQP Write the symbol for the ion of each of the following: (5.1) a. chloride b. potassium c. oxide d. aluminum

Problem 96AQP Write the symbol for the ion of each of the following: (5.1) a. fluoride b. calcium c. sodium d. phosphide

Problem 97AQP What is the name of each of the following ions? (5.1) a. K+ b. S2? c. Ca2+ d. N3?

Problem 99AQP Write the formula for each of the following ionic compounds: (5.3) a. tin(II) sulfide b. lead(IV) oxide c. silver chloride d. calcium nitride e. copper(I) phosphide f. chromium(II) bromide

Problem 98AQP What is the name of each of the following ions? (5.1) a. Mg2+ b. Ba2+ c. I? d. Cl?

Problem 130CQ Predict the shape and polarity of each of the following molecules: (5.8) a. H2S b. NF3 c. NH3 d. CH3Cl e. SiF4

Problem 132CQ Indicate the major type of attractive force—(1) ionic bonds, (2) dipole–dipole attraction, (3) hydrogen bonds, (4) dispersion forces—that occurs between particles of the following: (5.9) a. CHCl3 b. H2O c. LiCl d. Cl2 e. HBr f. IBr

Problem 131CQ Indicate the major type of attractive forces—(1) ionic bonds, (2) dipole–dipole attractions, (3) hydrogen bonds, (4) dispersion forces—that occurs between particles of the following: (5.9) a. NH3 b. ClF c. Br2 d. Cs2O e. C3H8 f. CH3OH