TIGER

Assessment Questions: 52 results
Bonding : CompareBondLength (5 Variations)
Which of the following compounds has the shortest bond between nitrogen and oxygen?
Covalent Bonding |
Molecular Properties / Structure
Bonding : IonicOrCovalent (10 Variations)
Match the following formulas to the correct type of bonding: ionic or covalent.
Molecular Properties / Structure |
Covalent Bonding |
Ionic Bonding
Bonding (34 Variations)
A collection of 34 assessment questions about Bonding
Molecular Properties / Structure |
Covalent Bonding |
IR Spectroscopy |
VSEPR Theory |
Aromatic Compounds |
Lewis Structures |
Resonance Theory |
Aldehydes / Ketones |
Carboxylic Acids |
Acids / Bases
Gases : IDGasFromVelocity (8 Variations)
The following are graphs of molecular velocities versus the relative number of molecules for argon, chlorine, methane and xenon at 300K. Which graph is for argon?
Gases |
Molecular Properties / Structure
Gases : RealGases (6 Variations)
Which gas in the following list will have the greatest deviation from ideal behavior at STP?
Gases |
Molecular Properties / Structure
Matter_and_Measurement : ElemCompdMix (10 Variations)
Classify each of the following as an element, compound, or mixture.
Molecular Properties / Structure
Matter_and_Measurement : HomoOrHeteroMix (10 Variations)
Identify the following as homogeneous or heterogeneous mixtures.
Molecular Properties / Structure
Matter_and_Measurement : ThryOrHypothesis (6 Variations)
Identify each of the following statements as a theory or a hypothesis.
Molecular Properties / Structure
Matter_and_Measurement : ClassifyMatter (8 Variations)
Which of the following descriptions best classifies aluminum foil?
Molecular Properties / Structure
Stoichiometry : CombustionAnalysis (10 Variations)
While working in the lab, you find a bottle of white powder labeled "analgesic compound #5". Since the original investigator neglected to record the identity of the substance, you decide to perform a combustion analysis to identify the compound. You have a 65.7 g sample that when burned produces 182 g CO2 and 51.7 g H2O. What is the formula of this compound? (The compound only consists of C,H, and O.)
Stoichiometry |
Molecular Properties / Structure
Stoichiometry : FormulaFromComp (8 Variations)
Lactic acid is the substance that makes your muscles burn when you've been exercising hard. Lactic acid is composed of 40.0% carbon, 6.7% hydrogen, and 53.3% oxygen by weight. If it has a molar mass of 90 g/mol, what is its molecular formula?
Stoichiometry |
Molecular Properties / Structure
Bonding : ValenceElectrons (10 Variations)
Determine the number of valence electrons for each molecule or ion and match it with the number in the pull-down list to the right of the formula.
Molecular Properties / Structure
Bonding : DetermineStructure (8 Variations)
H A substance is analyzed and found to contain 57.10% carbon, 4.80% hydrogen and 38.06% oxygen by weight. Its molecular weight is determined to be 126.11 g/mol. Which of the structures shown are possible structures for the substance?
Molecular Properties / Structure |
Stoichiometry
Atoms,_Molecules_and_Ions : IonicOrMolecular (10 Variations)
Identify each of the following compounds as ionic or molecular.
Molecular Properties / Structure
Atoms,_Molecules_and_Ions : AllotropesOfElement (4 Variations)
Which of the following is an allotrope of oxygen? (You may select more than one.)
Molecular Properties / Structure
Atoms,_Molecules_and_Ions : AtomicRatio (10 Variations)
Which compound(s) contain the most nitrogen atoms per molecule or formula unit?
Molecular Properties / Structure |
Stoichiometry
Atoms,_Molecules_and_Ions : BinaryMolcFromImage (8 Variations)
Which of the following binary compounds could the figure below best represent?


Molecular Properties / Structure |
Stoichiometry
Atoms,_Molecules_and_Ions : IonicFormula (10 Variations)
Which pair of ions will form a compound of formula M2X?
Molecular Properties / Structure |
Stoichiometry
Atoms,_Molecules_and_Ions : IonicProperties (8 Variations)
Which of the following statements concerning the properties of ionic compounds is NOT correct?
Molecular Properties / Structure
Atoms,_Molecules_and_Ions : IonType (8 Variations)
Identify the following ion as monatomic or polyatomic and as an anion or a cation: Cr2O7-2
Molecular Properties / Structure
Atoms,_Molecules_and_Ions : CalcMolarMass (8 Variations)
What is the molar mass of potassium phosphate, K3PO4?

Enter the numeric value very carefully below, rounding to one decimal place only. Do not put the units in, but think about what the units are!

Molecular Properties / Structure |
Stoichiometry
Atoms,_Molecules_and_Ions : CompFromNanoPic (9 Variations)
__________ can be represented by the nanoscale diagram below.

Which of the following is the best choice to fill in the blank?


Molecular Properties / Structure
Bonding : MatchBondStrength (8 Variations)
Match each of the following molecules to the best energy value for each bond. Do not use the table of bond energies in your book, but predict these values using your knowledge of bond length and bond strength.
Possible energies are: 300 kJ/mol, 330 kJ/mol, 415 kJ/mol and 950 kJ/mol.

Covalent Bonding
Organic : HsOnAlkaneBackbone (10 Variations)

The carbon skeleton for 2-methylbutane is shown below. How many hydrogens are present?

Alkanes / Cycloalkanes |
Molecular Properties / Structure
Biochemistry : Amphiphile (20 Variations)
Which of the following molecules is an amphiphile?
Molecular Properties / Structure |
Noncovalent Interactions
Biochemistry : StructureDef (4 Variations)
What kind of structure is defined by the linear sequence of amino acids in the protein chain?
Proteins / Peptides |
Molecular Properties / Structure
Biochemistry : Secondary (15 Variations)
What secondary structure element is represented by the green sequence in the following structure of the protein calmodulin?

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Proteins / Peptides |
Molecular Properties / Structure
Biochemistry : Tertiary (16 Variations)
Which of the following is NOT true about the tertiary structure of water-soluble proteins?
Proteins / Peptides |
Molecular Properties / Structure
Molecular_Structure : MolecularGeometry (23 Variations)
Which of the following molecules/ions have a linear molecular geometry like the structure shown below?

Be patient. It may take a while for the structure to load.



Covalent Bonding |
VSEPR Theory
Molecular_Structure : BondAngle (6 Variations)
Which of the following has the smallest H-X-H bond angle?
Covalent Bonding |
VSEPR Theory
Molecular_Structure : ElectronPairGeometry (20 Variations)
Which of the molecules/ions below have a linear electron-pair geometry?
Covalent Bonding |
VSEPR Theory
Molecular_Structure : Hybridization (10 Variations)
Which of the following molecules/ions have sp hybridization around the indicated atom?
Covalent Bonding |
MO Theory
Molecular_Structure : IDNonpolarMolc (10 Variations)
Which of the following molecules is nonpolar?
Covalent Bonding |
VSEPR Theory
Molecular_Structure : MatchOrganicAngles (10 Variations)
1-amino-2-naphthol-6-sulfonic acid is used as a photographic developer. Its structure is shown below, although lone electron pairs are not shown.


Match the designated bond angles to the appropriate values.

Covalent Bonding |
VSEPR Theory
Bonding : EnergyBreakAllBonds (10 Variations)
Use the bond energies given in to determine the total energy needed to break all of the bonds in C3H6. (Do not use ring structures.)
Covalent Bonding |
Calorimetry / Thermochemistry
Bonding : GeneralResonIsomer (4 Variations)
Which of the following statements is true?
Resonance Theory |
Covalent Bonding
Bonding : ImpossibleStructure (10 Variations)
Which of the following formulas represent substances that are likely to be stable at ordinary temperature and pressure? A good way to decide is to ask for which of the formulas is it possible to draw a reasonable Lewis structure (one that obeys the usual rules for drawing Lewis structures)?
Lewis Structures |
Covalent Bonding
Bonding : LewisStructures (10 Variations)
Which of the following Lewis structures are CORRECT?
Lewis Structures |
Covalent Bonding
Bonding : OctetRuleExceptions (10 Variations)
For which of the following atoms are exceptions to the octet rule possible?
Lewis Structures |
Covalent Bonding
Bonding : ResonanceStructures (10 Variations)
Select the molecule(s) below for which resonance structures can be drawn.
Resonance Theory |
Covalent Bonding
Intermolecular_Forces__Liquids_and_Solids : LatticeEnergyMelting (8 Variations)
Which of these substances has the highest melting point?
Ionic Bonding |
Covalent Bonding
Stoichiometry : CompareParticles (20 Variations)
Which has the greater number of particles, 1 mol O2 or 1 mol O?
Molecular Properties / Structure |
Atomic Properties / Structure
Intermolecular_Forces__Liquids_and_Solids : BoilingPoint (10 Variations)
Which of the following substances has the highest boiling point?
Liquids |
Noncovalent Interactions |
Molecular Properties / Structure
Intermolecular_Forces__Liquids_and_Solids : IntermolecularForces (10 Variations)
For which of the following compounds is hydrogen bonding the strongest?
Noncovalent Interactions |
Molecular Properties / Structure |
Hydrogen Bonding
Intermolecular_Forces__Liquids_and_Solids : OrganicBoilingPoint (11 Variations)
Which of the following organic compounds has the highest boiling point?
Noncovalent Interactions |
Molecular Properties / Structure |
Hydrogen Bonding
Bonding : Electronegativity (8 Variations)
From the bonds listed below, choose the one in which the highlighted atom is the partially positive end of the bond. (Try to predict electronegativity differences based on positions of the bonded atoms in the periodic table.)
Covalent Bonding |
Periodicity / Periodic Table
Bonding : MostPolarBond (8 Variations)
From the bonds listed below, choose the one that is the most polar. (Try to predict electronegativity differences based on positions of the bonded atoms in the periodic table.)
Covalent Bonding |
Periodicity / Periodic Table
Bonding : OrganicBondLength (10 Variations)
1-amino-2-naphthol-6-sulfonic acid is used as a photographic developer. The structure for this compound is shown below, although lone electron pairs are not shown. Which of the following bonds in the structure is the shortest?

Covalent Bonding |
Periodicity / Periodic Table
Reactions : HighOxNumber (10 Variations)
In which of the following does sulfur have the highest oxidation number?
Atomic Properties / Structure |
Periodicity / Periodic Table |
Molecular Properties / Structure
Reactions : IDOxidationNumber (10 Variations)
What is the oxidation number of sulfur in barium sulfate (BaSO4)?
Atomic Properties / Structure |
Periodicity / Periodic Table |
Molecular Properties / Structure
Nomenclature (10 Variations)
A collection of 10 assessment questions about Nomenclature
Physical Properties |
Carboxylic Acids |
Esters |
Molecular Properties / Structure |
Aromatic Compounds |
Amines / Ammonium Compounds |
Phenols |
Nomenclature / Units / Symbols |
Alkanes / Cycloalkanes |
Stereochemistry
Covalent Bonding (11 Variations)
A collection of 11 assessment questions about Covalent Bonding
Carboxylic Acids |
Acids / Bases |
Resonance Theory |
Covalent Bonding |
Phenols |
Amines / Ammonium Compounds |
Free Radicals |
Alkenes |
Amides |
Ethers