Which series shows the correct order of metallic bond strength from strongest to weakest?

A.  $\mathrm{Na}>\mathrm{K}>\mathrm{Rb}>\mathrm{Mg}$

B.  $\mathrm{Mg}>\mathrm{Rb}>\mathrm{K}>\mathrm{Na}$

C.  $\mathrm{Rb}>\mathrm{K}>\mathrm{Na}>\mathrm{Mg}$

D.  $\mathrm{Mg}>\mathrm{Na}>\mathrm{K}>\mathrm{Rb}$

What is the formula of the compound formed from Ca²⁺ and PO₄³⁻?

A.  CaPO₄

B.  Ca₃(PO₄)₂

C.  Ca₂(PO₄)₃

D.  Ca(PO₄)₂

Which compound contains both ionic and covalent bonds?

A.  CH₃COONa

B.  CH₃COOH

C.  K₂O

D.  CaCl₂

What is the formula of magnesium nitride?

A.     MgN

B.     Mg₂N₃

C.     Mg₃N

D.     Mg₃N₂

Which compound has the shortest C to O bond?

A.  CH₃CHO

B.  CO

C.  CO₂

D.  C₂H₅OC₂H₅

A substance has the following properties:

What is the most probable structure of this substance?

A.     Network covalent

B.     Polar covalent molecule

C.     Ionic lattice

D.     Metallic lattice

Which molecule has the weakest nitrogen to nitrogen bond?

A.  N₂

B.  N₂H₂

C.  N₂H₄

D.  

A compound consists of the ions Ca²⁺ and PO₄^3–. What are the name and formula of the compound?

Which combination corresponds to a strong metallic bond?

Which compound has the shortest C–N bond?

A. CH₃NH₂

B. (CH₃)₃CNH₂

C. CH₃CN

D. CH₃CHNH

The following compounds have similar relative molecular masses. What is the order of increasing boiling point?

A.  CH₃CH₂CH₂OH < CH₃CH₂CHO < CH₃COOH

B.  CH₃CH₂CHO < CH₃CH₂CH₂OH < CH₃COOH

C.  CH₃CH₂CHO < CH₃COOH < CH₃CH₂CH₂OH

D.  CH₃COOH < CH₃CH₂CHO < CH₃CH₂CH₂OH

Which combination causes the strength of metallic bonding to increase?

Which combination would create the strongest ionic bond?

Which metal has the strongest metallic bond?

A.     Li

B.     Na

C.     K

D.     Rb

Which is correct for all solid ionic compounds?

A.  High volatility

B.  Poor electrical conductivity

C.  Low melting point

D.  Good solubility in water

Which alcohol is least soluble in water?

A.  CH₃OH

B.  CH₃CH₂OH

C.  CH₃CH₂CH₂OH

D.  CH₃CH₂CH₂CH₂OH

What are the predicted electron domain geometries around the carbon and both nitrogen atoms in urea, (NH₂)₂CO, applying VSEPR theory?

Which bonds cause the boiling point of water to be significantly greater than that of hydrogen sulfide?

A.     London (dispersion)

B.     Covalent

C.     Ionic

D.     Hydrogen

Which molecule is most polar?

A.  CF₄

B.  CCl₄

C.  CHF₃

D.  CClF₃

Which molecule is most polar?

A.  ${\mathrm{CHF}}_3$

B.  ${\mathrm{CF}}_4$

C.  ${\mathrm{CClF}}_3$

D.  ${\mathrm{CCl}}_4$

Which combination describes the sulfate(IV) ion, SO₃^2– (also known as sulfite ion)?

What is the formula of ammonium phosphate?

A.     (NH₃)₃PO₄

B.     (NH₄)₃PO₄

C.     (NH₄)₂PO₄

D.     (NH₃)₂PO₃

What are the strongest intermolecular forces between molecules of propanone, CH₃COCH₃, in the liquid phase?

A.     London (dispersion) forces

B.     Covalent bonding

C.     Hydrogen bonding

D.     Dipole–dipole forces

Which describes an ionic compound?

What is the main interaction between liquid CH₄ molecules?

A.  London (dispersion) forces

B.  Dipole–dipole forces

C.  Hydrogen bonding

D.  Covalent bonding

What is the order of increasing boiling point?

A. CH₃CH₂CH₂CH₃ < CH₃CH(OH)CH₃ < CH₃COCH₃ < CH₃CO₂H

B. CH₃CH₂CH₂CH₃ < CH₃COCH₃ < CH₃CH(OH)CH₃ < CH₃CO₂H

C. CH₃CO₂H < CH₃COCH₃ < CH₃CH(OH)CH₃ < CH₃CH₂CH₂CH₃

D. CH₃CH₂CH₂CH₃ < CH₃COCH₃ < CH₃CO₂H < CH₃CH(OH)CH₃

Which substance has a giant covalent structure?

How many bonding electrons are there in the urea molecule?

A.     8

B.     16

C.     20

D.     24

Which two atoms form the most polar bond?

A.     C and F

B.     C and Cl

C.     Si and F

D.     Si and Cl

Which of the following does not react with dilute HCl(aq)?

A.     Na₂CO₃

B.     Cu

C.     Zn

D.     CuO

Which compound has hydrogen bonds between its molecules?

A. CH₄

B. CH₄O

C. CH₃Cl

D. CH₂O

How many lone pairs and bonding pairs of electrons surround the central chlorine atom in ClF₂⁺?

The compounds shown below have similar relative molecular masses. What is the correct order of increasing boiling point?

A.     CH₃COOH < (CH₃)₂CO < (CH₃)₂CHOH

B.     CH₃COOH < (CH₃)₂CHOH < (CH₃)₂CO

C.     (CH₃)₂CO < CH₃COOH < (CH₃)₂CHOH

D.     (CH₃)₂CO < (CH₃)₂CHOH < CH₃COOH

What are the approximate bond angles and structure of crystalline SiO₂?

What is the structure and bonding in SiO₂(s)?

Which series is in order of increasing boiling point?

A.  CH₂CH₂CH₃OH    CH₃COCH₃         CH₃CH₂CH₃

B.  CH₃CH₂CH₃         CH₃COCH₃          CH₂CH₂CH₃OH

C.  CH₃COCH₃          CH₂CH₂CH₃OH    CH₃CH₂CH₃

D.  CH₃CH₂CH₃         CH₂CH₂CH₃OH    CH₃COCH₃

What is the order of increasing boiling point?

A.     C₄H₁₀ < CH₃COOH < CH₃CH₂CHO < CH₃CH₂CH₂OH

B.     C₄H₁₀ < CH₃CH₂CHO < CH₃CH₂CH₂OH < CH₃COOH

C.     CH₃COOH < CH₃CH₂CH₂OH< CH₃CH₂CHO < C₄H₁₀

D.     C₄H₁₀ < CH₃CH₂CH₂OH < CH₃CH₂CHO < CH₃COOH

Which molecule is polar?

A.   BeCl₂

B.   BCl₃

C.   NCl₃

D.   CCl₄

Which combination correctly describes the geometry of the carbonate ion, ${{\mathrm{CO}}_3}^{2-}$?

Between which pair of molecules can hydrogen bonding occur? 

A. CH₄ and H₂O
B. CH₃OCH₃ and CF₄ 
C. CH₄ and HF 
D. CH₃OH and H₂O

Which pair of molecules has the same bond angles? 

A. PCl₃ and BCl₃ 

B. SO₂ and CO₂ 

C. H₂O and NH₃ 

D. CCl₄ and SiH₄

Which correctly states the strongest intermolecular forces in the compounds below?

Which statement best describes the intramolecular bonding in HCN (l)?

A. Electrostatic attractions between H⁺ and CN⁻ ions

B. Hydrogen bonding

C. Van der Waals forces and hydrogen bonding

D. Electrostatic attractions between pairs of electrons and positively charged nuclei

Which form of carbon is the poorest electrical conductor?

A.     Graphite

B.     Graphene

C.     Diamond

D.     Carbon nanotube

What is the molecular geometry and bond angle in the molecular ion NO₃⁻?

Which compound has the highest boiling point?

A.   CH₃CHO

B.   CH₃CH₂F

C.   CH₃OCH₃

D.   CH₃CH₂NH₂

How does a lithium atom form the most stable ion?

A. The atom gains a proton to form a positive ion.

B. The atom loses a proton to form a negative ion.

C. The atom loses an electron to form a positive ion.

D. The atom gains an electron to form a negative ion.

The electronegativity values of four elements are given.

What is the order of increasing polarity of the bonds in the following compounds?

A. CO < OF₂ < NO < CF₄

B. CF₄ < CO < OF₂ < NO

C. NO < OF₂ < CO < CF₄

D. CF₄ < NO < OF₂ < CO

Which substance is most likely to be ionic?

Which is the correct order based on increasing strength?

A.  covalent bonds < hydrogen bonds < dipole–dipole forces < dispersion forces

B.  dipole–dipole forces < dispersion forces < hydrogen bonds < covalent bonds

C.  dispersion forces < dipole–dipole forces < hydrogen bonds < covalent bonds

D.  dispersion forces < dipole–dipole forces < covalent bonds < hydrogen bonds

Which compound contains both ionic and covalent bonds?

A.  $\text{MgO}$

B.  ${\text{CH}}_{\text{2}}{\text{Cl}}_{\text{2}}$

C.  ${\text{CH}}_{\text{3}}\text{COOH}$

D.  $\text{NaOH}$

The Lewis structure of methylamine is shown.

What is the molecular geometry around N?

A.  Square planar

B.  Tetrahedral

C.  Trigonal planar

D.  Trigonal pyramidal

Which molecule contains an incomplete octet of electrons?

A. NF₃

B. BF₃

C. BrF

D. SF₂

What is the explanation for the high melting point of sodium chloride?

A.  The covalent bond between sodium and chlorine atoms is strong.

B.  Electrostatic attraction between sodium and chloride ions is strong.

C.  Intermolecular forces in sodium chloride are strong.

D.  Delocalized electrons cause strong bonding in sodium chloride.

Which formula is correct?

A.  ${\mathrm{NH}}_4{\mathrm{PO}}_4$

B.  ${\left({\mathrm{NH}}_4\right)}_2{\mathrm{PO}}_4$

C.  ${\left({\mathrm{NH}}_4\right)}_3{\mathrm{PO}}_4$

D.  ${\left({\mathrm{NH}}_4\right)}_3{\left({\mathrm{PO}}_4\right)}_2$

Which describes a resonance structure?

A.  Double bond can be drawn in alternative positions.

B.  Bonds vibrate by absorbing IR radiation.

C.  A double and a single bond in the molecule

D.  A Lewis structure

What is the type of bonding in a compound that has high boiling and melting points, poor electrical conductivity, and low solubility in water?

A.  Ionic

B.  Molecular covalent

C.  Metallic

D.  Giant covalent

Which species does not have resonance structures?

A. C₆H₆

B. NH₄⁺

C. CO₃²⁻

D. O₃

Which species has the same molecular geometry as SO₃²⁻?

A.   BF₃

B.   SO₃

C.   PF₃

D.   CO₃²⁻

Which species has the longest carbon to oxygen bond length?

A.     CO

B.     CH₃OH

C.     CH₃CO₂⁻

D.     H₂CO 

Which compound has the shortest C to N bond?

A.  HCN

B.  CH₃CH₂NH₂

C.  CH₃CHNH

D.  (CH₃)₂NH

Along which series is the bond angle increasing?

A.  NH₃  H₂O  CH₄

B.  CH₄  NH₃  H₂O

C.  H₂O  NH₃  CH₄

D.  H₂O  CH₄  NH₃

Which compound has the greatest volatility under the same conditions?

A.  SO₂

B.  SiO₂

C.  SnO₂

D.  SrO

For which species can resonance structures be drawn?

A.  HCOOH

B.  HCOO^–

C.  CH₃OH

D.  H₂CO₃

Which of the following series shows increasing hydrogen bonding with water?

A. Propane < propanal < propanol < propanoic acid

B. Propane < propanol < propanal < propanoic acid

C. Propanal < propane < propanoic acid < propanol

D. Propanoic acid < propanol < propanal < propane

What is the name of the compound with formula Ti₃(PO₄)₂?

A. Titanium phosphate

B. Titanium(II) phosphate

C. Titanium(III) phosphate

D. Titanium(IV) phosphate