Chemistry Chemistry Practice Problems Solutions Library

Chemical Bonds Solutions Library

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130 solutions

Chemical Bonds

Q. What type(s) of bonding would be expected for each of the following materials: brass (a copper-zinc alloy), rubber, barium sulfide (BaS), solid xen...

Solved • Mar 20, 2020

Chemical Bonds

Q. In the Lewis structure below, correctly identify the number of sigma bonds and number of pi bonds.A) six sigma, two piB) seven sigma, three piC) si...

Solved • Nov 25, 2019

Chemical Bonds

Q. Atoms with greatly different electronegativity values are expected to formA. no bondsB. covalent bondsC. triple bondsD. ionic bondsE. none of these

Solved • Nov 22, 2019

Chemical Bonds

Q. Based on electronegativity differences, which of the following is most likely to be ionic?A. CF4B. NOC. PH3D. SrF2E. F2

Solved • Nov 22, 2019

Chemical Bonds

Q. Based on electronegativities, which of the following would you expect to be most ionic?A. CF4B. CaF2C. CH4D. N2E. CO2

Solved • Nov 21, 2019

Chemical Bonds

Q. The electronegativity of Si is 1.8. The electronegativity of Br is 2.8. Therefore, a Br-Si bond is categorized as _______ . a. non-polar covalent b...

Solved • Oct 11, 2019

Chemical Bonds

Q. Which of the following statements is/are CORRECT?1. Ionic bonds form when one or more valence electrons are transferred from one atom to another.2....

Solved • Oct 9, 2019

Chemical Bonds

Q. Which of the bonds between the following pairs of atoms would be the least polar?A) Na, SB) P, SC) C, FD) Si, ClE) Na, Cl

Solved • Oct 1, 2019

Chemical Bonds

Q. Given the electronegativities below, which covalent single bond is most polarElement:    H      C      N      OElectronegativity: 2.1      2.5     ...

Solved • Oct 1, 2019

Chemical Bonds

Q. Which is the MOST polar bond?A. S–H      B. Si–H      C. Cl–H     D. O–H      E. H–H

Solved • Sep 18, 2019

Chemical Bonds

Q. Please Classify each of the following diatomic species as ionic, polar covalent or non polar covalent.1. N2 2. HCl 3. NaCl 4. BrF 5. KF

Solved • Aug 30, 2019

Chemical Bonds

Q. Please Classify each of the following diatomic species as ionic, polar covalent or non polar covalent. 1. O2 2. CaO 3. Br2 4. HBr 5.LiBr

Solved • Aug 30, 2019

Chemical Bonds

Q. A molecule of water (H2O) is formed by what type of bond?

Solved • Aug 26, 2019

Chemical Bonds

Q. What type of bond is joining the two hydrogen atoms?

Solved • Aug 25, 2019

Chemical Bonds

Q. What type of bond joins the carbon atom to each of the hydrogen atoms?a. double (nonpolar) covalentb. single (nonpolar) covalentc. polar covalentd....

Solved • Aug 19, 2019

Chemical Bonds

Q. How would you arrange the following bonds in order of increasing ionic character: C−F, O−F, H−F, and Na−F?

Solved • Aug 7, 2019

Chemical Bonds

Q. Atoms in metals easily slip past one another as mechanical force is applied; can you think of why this would not be true for ionic solids?

Solved • Nov 27, 2018

Chemical Bonds

Q. List all the possible bonds that can occur between the elements P, Cs, O, and H. Predict the type of bond (ionic, covalent, or polar covalent) one ...

Solved • Nov 26, 2018

Chemical Bonds

Q. Predict the type of bond (ionic, covalent, or polar covalent) one would expect to form between the following pair of element.d. Ba and S

Solved • Nov 26, 2018

Chemical Bonds

Q. The substance chlorine monoxide, ClO (g), is important in atmospheric processes that lead to depletion of the ozone layer. The ClO molecule has has...

Solved • Nov 12, 2018

Chemical Bonds

Q. Consider the collection of nonmetallic elements O, P, Te, I and B.Which combinations of elements would likely yield a compound of empirical formula...

Solved • Nov 12, 2018

Chemical Bonds

Q. The measured dipole moment of BrCl is 0.57 D. If you assume the bond length in BrCl is the sum of the atomic radii, what are the partial charges on...

Solved • Nov 12, 2018

Chemical Bonds

Q. A classmate of yours is convinced that he knows everything about electronegativity.In the case of atoms X and Y having different electronegativitie...

Solved • Nov 12, 2018

Chemical Bonds

Q. Which of these elements is unlikely to form covalent bonds?S, H, K, Ar, Si

Solved • Nov 12, 2018

Chemical Bonds

Q. A portion of a two-dimensional "slab" of NaCl(s) is shown here in which the ions are numbered.Which colored balls must represent sodium ions?

Solved • Nov 12, 2018

Chemical Bonds

Q. In the following pair of binary compounds determine which one is a molecular substance and which one is an ionic substance. PbCl4 and RbCl.

Solved • Nov 12, 2018

Chemical Bonds

Q. Use the appropriate naming convention (for ionic or molecular substances) to assign a name to each of the compounds SiF4 and LaF3.

Solved • Nov 12, 2018

Chemical Bonds

Q. Use the appropriate naming convention (for ionic or molecular substances) to assign a name to each of the compounds PbCl4 and RbCl.

Solved • Nov 12, 2018

Chemical Bonds

Q. In the following pair of binary compounds determine which one is a molecular substance and which one is an ionic substance. TiCl4 and CaF2.

Solved • Nov 12, 2018

Chemical Bonds

Q. In the following pair of binary compounds determine which one is a molecular substance and which one is an ionic substance. ClF3 and VF3.

Solved • Nov 12, 2018

Chemical Bonds

Q. In the following pair of binary compounds determine which one is a molecular substance and which one is an ionic substance. SbCl5 and AlF3.

Solved • Nov 12, 2018

Chemical Bonds

Q. Use the appropriate naming convention (for ionic or molecular substances) to assign a name to each of the compounds SbCl5 and AlF3.

Solved • Nov 12, 2018

Chemical Bonds

Q. By referring only to the periodic table, select the element in the group K, C, Zn, F, that is most likely to form an ionic compound with Ba.

Solved • Nov 12, 2018

Chemical Bonds

Q. In the following pair of binary compounds determine which one is a molecular substance and which one is an ionic substance. SiF4 and LaF3.

Solved • Nov 12, 2018

Chemical Bonds

Q. You have a yellow solid that melts at 41oC and boils at 131oC and a green solid that melts at 2320oC.If you are told that one of them is Cr2O3 and ...

Solved • Nov 12, 2018

Chemical Bonds

Q. Predict the chemical formula of the ionic compound formed between the following pairs of elements.Y and O

Solved • Nov 12, 2018

Chemical Bonds

Q. Which compound is most likely to contain ionic bonds?(a) CH4(b) N2O(c) MgF2

Solved • Nov 12, 2018

Chemical Bonds

Q. Use the figure to estimate the percent ionic character of the BrF bond.

Solved • Nov 12, 2018

Chemical Bonds

Q. Does urea contain polar bonds?

Solved • Nov 12, 2018

Chemical Bonds

Q. Determine if a bond between each pair of atoms would be pure covalent, polar covalent, or ionic.

Solved • Nov 12, 2018

Chemical Bonds

Q. Estimate the percent ionic character of the CO bond. The electronegativity of C is 2.5 and O is 3.5.

Solved • Nov 12, 2018

Chemical Bonds

Q. Do any bonds have 100% ionic character?

Solved • Nov 12, 2018

Chemical Bonds

Q. Which pair of atoms forms the most polar bond?a) N and Ob) C and Oc) C and Fd) N and F

Solved • Nov 12, 2018

Chemical Bonds

Q. Which pair of atoms forms a nonpolar covalent bond?a) C and Sb) C and Oc) B and Od) Na and Cl

Solved • Nov 12, 2018

Chemical Bonds

Q. Which pair of elements is most likely to form an ionic bond?a) nitrogen and oxygenb) carbon and hydrogenc) sulfur and oxygend) calcium and oxygen

Solved • Nov 12, 2018

Chemical Bonds

Q. Draw the Lewis structure for HCSNH2. (The carbon and nitrogen atoms are bonded together, and the sulfur atom is bonded to the carbon atom.) Label e...

Solved • Nov 12, 2018

Chemical Bonds

Q. What is wrong with the following statement? Atoms form bonds in order to satisfy the octet rule.

Solved • Nov 12, 2018

Chemical Bonds

Q. Consider the molecules SCl 2, F2, CS2, CF4, and BrCl.(a) Which has bonds that are the most polar?

Solved • Oct 28, 2018

Chemical Bonds

Q. For the following ionic compound formula, identify the main group to which X belongs:Al2X3

Solved • Oct 23, 2018

Chemical Bonds

Q. State the type of bonding—ionic, covalent, or metallic—you would expect of the following:LiCl(s)

Solved • Oct 23, 2018

Chemical Bonds

Q.  Which of the following molecules or ions contain polar bonds?(a) O3           (b) S 8           (c) O  22−           (d) NO 3−           (e) CO 2 ...

Solved • Oct 22, 2018

Chemical Bonds

Q. Identify the more polar bond in the following pair of bonds: HF or HCl.

Solved • Oct 22, 2018

Chemical Bonds

Q. Predict whether IBr is ionic or covalent, based on the location of their constituent atoms in the periodic table.

Solved • Oct 22, 2018

Chemical Bonds

Q. Predict whether CaO is ionic or covalent, based on the location of their constituent atoms in the periodic table.

Solved • Oct 22, 2018

Chemical Bonds

Q. Predict whether CaF 2 is ionic or covalent, based on the location of their constituent atoms in the periodic table.

Solved • Oct 22, 2018

Chemical Bonds

Q. Predict whether CoBr 2 is ionic or covalent, based on the location of their constituent atoms in the periodic table.

Solved • Oct 22, 2018

Chemical Bonds

Q. Predict whether NCl 3 is ionic or covalent, based on the location of their constituent atoms in the periodic table.

Solved • Oct 22, 2018

Chemical Bonds

Q. Predict whether MnO is ionic or covalent, based on the location of their constituent atoms in the periodic table.

Solved • Oct 22, 2018

Chemical Bonds

Q. Predict whether Cl 2CO is ionic or covalent, based on the location of their constituent atoms in the periodic table.

Solved • Oct 22, 2018

Chemical Bonds

Q.  Iron(III) sulfate [Fe 2(SO 4) 3] is composed of Fe 3+ and SO4 2− ions. Explain why a sample of iron(III) sulfate is uncharged.

Solved • Oct 22, 2018

Chemical Bonds

Q. Classify these compounds as ionic or molecular.SO2               NCl3               MgS               CuO

Solved • Sep 7, 2018

Chemical Bonds

Q. In liquid chloromethane (structure shown in the (Figure 1)) what kinds of bonds are present between the molecules? • lonic • Covalent • Permanent d...

Solved • Sep 6, 2018

Chemical Bonds

Q. A compound ACl3 (A is an element) has a melting point of -112 °C. Would you expect the compound to be molecular or ionic? If you were told that A i...

Solved • Jun 25, 2018

Chemical Bonds

Q. Are the bonds in each of the following substances ionic, nonpolar covalent, or polar covalent?a. KClb. P4c. BF3d. SO2e. Br2f. NO2 

Solved • Mar 28, 2018

Chemical Bonds

Q. Which molecule or compound below contains a polar covalent bond?a. ZnSb. NCl3c. C2H4d. LiIe. AgCl

Solved • Mar 23, 2018

Chemical Bonds

Q. Which of the following contains ionic bonding?a. OCl2 b. SrF2c. HCld. Ale. CO

Solved • Mar 23, 2018

Chemical Bonds

Q. The greater the electronegativity difference between two bonded atoms, the greater the bond's percentage of?a. ionic characterb. metallic character...

Solved • Mar 22, 2018

Chemical Bonds

Q. Which substance has ionic bonds?a. O2b. BaOc. H2Od. OF2

Solved • Mar 22, 2018

Chemical Bonds

Q. Which of the beryllium halides, if any, are considered ionic compounds?

Solved • Mar 22, 2018

Chemical Bonds

Q. Which of the following pairs of elements is most likely to form an ionic bond?a. K, Clb. Cl, Oc. S, Od. C, N

Solved • Mar 21, 2018

Chemical Bonds

Q. Classify these bonds as ionic, polar covalent, or nonpolar covalent. a. C-C b. K-Br c. F-Br

Solved • Mar 21, 2018

Chemical Bonds

Q. Classify these bonds as ionic, polar covalent, or nonpolar covalent.P-Cl, Li-Cl, C-C

Solved • Mar 20, 2018

Chemical Bonds

Q. Classify these bonds as ionic, polar covalent, or nonpolar covalent.   a. Na-F b. P-Cl c. Cl-Cl

Solved • Mar 19, 2018

Chemical Bonds

Q. Predict the type of bonding you would expect to find within the substance: CCl  4(l) a. covalentb. ionicc. metallic

Solved • Mar 16, 2018

Chemical Bonds

Q. Predict the type of bonding you would expect to find within the substance: CoCl  2(s) a. covalentb. ionicc. metallic

Solved • Mar 16, 2018

Chemical Bonds

Q. Predict the type of bonding you would expect to find within the substance: Co(s)a. covalentb. ionicc. metallic

Solved • Mar 16, 2018

Chemical Bonds

Q. For the following bonds assign charges to each atom. Use + and - for ionic compounds and δ+ and δ- for covalent bonds where electrons are not equal...

Solved • Mar 13, 2018

Chemical Bonds

Q. Which of the following bonds is the least polar covalent (but not non-polar covalent bond)?a. O - Ob. O - Fc. I - Fd. Br - Fe. Na - F

Solved • Mar 13, 2018

Chemical Bonds

Q. Which of the following bonds is the most polar covalent but not ionic?a. Mg - Fb. B - Fc. O - Fd. Cl - Fe. Br - F

Solved • Mar 13, 2018

Chemical Bonds

Q. Which one of the following bonds is the most polar?a. H-Clb. H-Sc. H-Fd. H-Pe. H-O 

Solved • Mar 13, 2018

Chemical Bonds

Q. Determine whether the following pairs of elements can form ionic compounds.a. oxygen and calciumb. lithium and fluorinec. potassium and calciumd. n...

Solved • Mar 13, 2018

Chemical Bonds

Q. Identify the compound with the smallest percent ionic character. a. HF b. IBr c. HCl d. LiF 

Solved • Mar 7, 2018

Chemical Bonds

Q. a. How many covalent bonds does carbon form if each of its  unpaired electrons participate in one bond?b. How many covalent bonds does oxygen form ...

Solved • Mar 6, 2018

Chemical Bonds

Q. Which of the following two compounds has the strongest nitrogen-nitrogen bond? H2NNH2, HNNH

Solved • Mar 6, 2018

Chemical Bonds

Q. Classify the following compounds as having covalent or ionic bonds:barium fluoride, aluminum carbide, magnesium chloride, dinitrogen monoxide, carb...

Solved • Mar 6, 2018

Chemical Bonds

Q. Rank these bonds from most ionic to most covalent in character.K-F, Cl-F, F-F, Ca-F, Br-F

Solved • Feb 23, 2018

Chemical Bonds

Q. What type of bonds exist in each of these compounds: Ionic, nonpolar covalent, polar covalentKClBCl3 P4 Br2 COSO2

Solved • Feb 22, 2018

Chemical Bonds

Q. Rank these bonds from most ionic to most covalent in character.Ca-F, K-F, F-F, Br-F, Cl-F

Solved • Feb 21, 2018

Chemical Bonds

Q. Using the given table of electronegativity values, determine whether each bond is nonpolar covalent, polar covalent, or ionic.

Solved • Dec 18, 2017

Chemical Bonds

Q. Which of the following compounds contains both ionic and covalent bonds? (A) HCl (B) NaCl (C) H2O (D) NaOH (E) CO2

Solved • Jul 12, 2017

Chemical Bonds

Q. Which of the compounds below has bonds with the least covalent character? AgI AgCl AgF AlCl3 BeCl2

Solved • Jul 10, 2017

Chemical Bonds

Q. Based on electronegativity differences, which of the following is most likely to involve ionic bonding?a) NH3b) Cl2c) CH4d) BaF2e) SO3

Solved • Jun 19, 2017

Chemical Bonds

Q. A covalent bond is best described as A) the sharing of electrons between atoms. B) the transfer of electrons. C) a bond between a metal and a no...

Solved • Jun 16, 2017

Chemical Bonds

Q. Based on electronegativity differences, which of the following is most likely to involve ionic bonding? a) NH3 b) Cl2 c) CH4 d) BaF2 e) SO3

Solved • Jun 2, 2017

Chemical Bonds

Q. Which bond is most polar?A. C-FB. Si-FC. S-FD. O-FE. C-O

Solved • May 29, 2017

Chemical Bonds

Q. Consider the following compounds I.  N2O4 II. Ca(NO3)2 III. SiH4 IV. SrBr2 Which of the following statements is NOT true? a. Two of the compo...

Solved • Oct 27, 2016

Chemical Bonds

Q. An ionic bond is best described as: a. the sharing of electrons. b. the transfer of electrons from one atom to another. c. the attraction that h...

Solved • Oct 27, 2016

Chemical Bonds

Q. Answer each of the following questions dealing with the following compounds.NaF              PH 3              Cl  2              P 4              ...

Solved • Oct 25, 2016

Chemical Bonds

Q. Answer each of the following questions dealing with the following bonds. N—O               K—F                B—N                S—Cl             ...

Solved • Oct 25, 2016

Chemical Bonds

Q. The electrons in a bond are not always shared equally. For which bond below are the electrons shared most unequally? 1. H — F 2. H — I 3. H — Cl...

Solved • Oct 24, 2016