Chemical Bonding: Interactive Quizzes and Practice Questions

Question 1

Which type of chemical bond involves the sharing of electrons between atoms?

Accepted Answer

Covalent bond

Answer

Ionic bond

Answer

Metallic bond

Answer

Hydrogen bond

Question 2

Which of the following statements correctly describes the formation of covalent bonds?

Accepted Answer

Covalent bonds are formed when atoms share electrons.

Answer

Ionic bonds are formed between non-metals only.

Answer

Metallic bonds are formed between molecules.

Question 3

In H2O, which type of bond connects hydrogen atoms to the oxygen atom?

Accepted Answer

Covalent

Answer

Ionic

Answer

Metallic

Answer

Hydrogen

Question 4

Predict the molecular geometry of a molecule with sp3 hybridization.

Accepted Answer

Tetrahedral

Answer

Linear

Answer

Trigonal planar

Answer

Octahedral

Question 5

Which of the following factors **does not** affect the strength of an ionic bond?

Accepted Answer

Polarizability of the anions

Answer

Charge of the ions

Answer

Distance between the ions

Answer

Size of the ions

Question 6

In a metallic bond, the electrons are:

Accepted Answer

Delocalized across the metal lattice

Answer

Localized in specific atomic orbitals

Answer

Localized around the metal cations

Answer

Shared between two metal atoms

Question 7

Which of the following interactions is responsible for the high boiling point of water?

Accepted Answer

Hydrogen bonding

Answer

Covalent bonding

Answer

Dipole-dipole interactions

Answer

London dispersion forces

Question 8

What is the hybridization of the carbon atom in methane (CH4)?

Accepted Answer

sp3

Answer

sp

Answer

sp2

Answer

sp3d

Question 9

Which of the following types of bonding is **not** involved in the structure of proteins?

Accepted Answer

Metallic bonding

Answer

Covalent bonding

Answer

Ionic bonding

Answer

Hydrogen bonding

Question 10

Which of the following is a defining characteristic of ionic bonding?

Accepted Answer

Forms when atoms gain or lose electrons to create ions.

Answer

Involves sharing of electrons between atoms.

Answer

Results in the formation of molecular compounds.

Answer

Contains covalent bonds between atoms.

Question 11

Covalent bonds are formed when:

Accepted Answer

Atoms share electron pairs.

Answer

Atoms transfer electrons from one atom to another.

Answer

Metal atoms form a lattice with delocalized electrons.

Answer

Hydrogen atoms interact with highly electronegative atoms.

Question 12

Which compound has a non-polar covalent bond?

Accepted Answer

CH₄

Answer

NaCl

Answer

HCl

Answer

NH₃

Question 13

Metallic bonding involves:

Accepted Answer

A lattice of positive metal ions surrounded by mobile electrons.

Answer

Electron sharing between atoms.

Answer

Electron transfer between atoms.

Answer

Hydrogen bond interactions between atoms.

Question 14

Electronegativity of an atom refers to its:

Accepted Answer

Ability to attract electrons.

Answer

Ability to form chemical bonds.

Answer

Number of valence electrons.

Answer

Size of its atomic nucleus.

Question 15

Hydrogen bonding occurs due to the:

Accepted Answer

Interaction of a hydrogen atom with a highly electronegative atom.

Answer

Interaction of two hydrogen atoms.

Answer

Interaction of a hydrogen atom with a positive ion.

Answer

Interaction of a hydrogen atom with a negative ion.

Question 16

The VSEPR theory primarily predicts:

Accepted Answer

Molecular shapes based on electron pair repulsion.

Answer

Bonding between atoms based on their electronegativity.

Answer

Stability of different chemical bonds.

Answer

Energy levels of electrons in an atom.

Question 17

The Lewis dot structure of methane (CH₄) shows:

Accepted Answer

A central carbon atom bonded to four hydrogen atoms by single bonds.

Answer

A central carbon atom bonded to four hydrogen atoms by double bonds.

Answer

Four carbon atoms bonded to a central hydrogen atom by single bonds.

Answer

Four hydrogen atoms bonded to a central carbon atom by triple bonds.

Question 18

What type of bond is formed when atoms share electrons?

Accepted Answer

Covalent bond

Answer

Ionic bond

Answer

Metallic bond

Answer

Hydrogen bond

Question 19

Which of the following is a property of metallic bonds?

Accepted Answer

High electrical and thermal conductivity due to the presence of mobile electrons

Answer

Low melting and boiling points due to weak intermolecular forces

Answer

Solubility in water due to the presence of charged ions

Answer

Brittleness and hardness due to the strong attraction between metal ions

Question 20

What is the shape of a molecule with four electron pairs around the central atom?

Accepted Answer

Tetrahedral

Answer

Linear

Answer

Bent

Answer

Trigonal planar

Question 21

Which of the following is a resonance structure?

Accepted Answer

A Lewis structure that shows multiple possible arrangements of electrons that contribute to the overall structure of a molecule

Answer

A single Lewis structure

Answer

A Lewis structure that shows the distribution of electrons

Answer

A Lewis structure that shows the movement of electrons

Question 22

What is the hybridization of a carbon atom in methane?

Accepted Answer

sp3

Answer

sp

Answer

sp2

Answer

sp3d

Question 23

Which of the following is NOT a type of molecular orbital?

Accepted Answer

Gamma (γ) orbital

Answer

Sigma (σ) orbital

Answer

Pi (π) orbital

Answer

Delta (δ) orbital

Question 24

What is the bond order of a triple bond?

Accepted Answer

3

Answer

1

Answer

2

Answer

4

Question 25

What type of hybridization occurs at the central atom of SF₆?

Accepted Answer

sp³d

Answer

sp

Answer

sp²

Answer

sp³

Question 26

Which substance experiences the strongest intermolecular forces?

Accepted Answer

H₂O

Answer

CH₄

Answer

NH₃

Answer

HF

Question 27

What is the bond order of the C-C bond in benzene (C₆H₆)?

Accepted Answer

1.5

Answer

1

Answer

2

Answer

2.5

Question 28

Which of the following is classified as an ionic compound?

Accepted Answer

NaCl

Answer

CH₄

Answer

NH₃

Answer

H₂O

Question 29

What is the coordination number of the metal ion in [Fe(CN)₆]⁴⁻?

Accepted Answer

6

Answer

4

Answer

8

Answer

12

Question 30

Which molecule exhibits resonance?

Accepted Answer

Benzene

Answer

CH₄

Answer

NH₃

Answer

CO₂

Question 31

How does hydrogen bonding impact a substance's properties?

Accepted Answer

Hydrogen bonding affects a substance's physical properties.

Answer

Hydrogen bonding is a type of covalent bond.

Answer

Hydrogen bonding occurs between any two molecules.

Answer

Hydrogen bonding is always stronger than covalent bonding.

Question 32

In ionic bonding, electrons are:

Accepted Answer

Transferred between atoms

Answer

Shared between atoms

Answer

Localized around individual atoms

Answer

Free to move throughout the molecule

Question 33

In a covalent bond, the electrons are:

Accepted Answer

Shared between the participating atoms

Answer

Transferred from one atom to another

Answer

Localized around each individual atom

Answer

Free to move throughout the molecule

Question 34

Metallic bonds involve:

Accepted Answer

A sea of delocalized electrons

Answer

Electrons localized in specific orbitals

Answer

The sharing of electrons between atoms

Answer

The transfer of electrons from one atom to another

Question 35

The polarity of a chemical bond is determined primarily by:

Accepted Answer

The difference in electronegativity between the atoms

Answer

The number of electrons shared

Answer

The bond length

Answer

The type of bond (ionic, covalent, etc.)

Question 36

Which of the following types of bonds is generally the strongest?

Accepted Answer

Ionic

Answer

Covalent

Answer

Metallic

Answer

Hydrogen

Question 37

Which of the following is NOT a fundamental type of chemical bond?

Accepted Answer

Physical bond

Answer

Ionic bond

Answer

Covalent bond

Answer

Metallic bond

Question 38

Which type of bond is formed when electrons are completely transferred from one atom to another?

Accepted Answer

Ionic bond

Answer

Hydrogen bond

Answer

Covalent bond

Answer

Metallic bond

Question 39

Which of the following substances has a covalent molecular structure?

Accepted Answer

Water

Answer

Sodium chloride

Answer

Magnesium oxide

Answer

Potassium

Question 40

Which of the following properties is characteristic of metallic bonds?

Accepted Answer

High electrical conductivity

Answer

Low melting point

Answer

Brittleness

Answer

Low boiling point

Question 41

What type of bond is responsible for the high boiling point of water?

Accepted Answer

Hydrogen bond

Answer

Covalent bond

Answer

Ionic bond

Answer

Metallic bond

Question 42

What is the hybridization of the carbon atoms in ethane?

Accepted Answer

sp³

Answer

sp

Answer

sp³d

Answer

sp²

Question 43

What is the bond order of a double bond?

Accepted Answer

2

Answer

1

Answer

3

Answer

4

Question 44

Which of the following correctly indicates the arrangement of bond strength from strongest to weakest?

Accepted Answer

Ionic > Covalent > Metallic > Hydrogen

Answer

Metallic > Covalent > Hydrogen > Ionic

Answer

Covalent > Ionic > Hydrogen > Metallic

Answer

Hydrogen > Metallic > Covalent > Ionic

Question 45

Consider the Lewis structure of methane (CH4). What is the hybridization of the carbon atom?

Accepted Answer

sp3

Answer

sp2

Answer

sp

Answer

sp3d

Question 46

Which of the following molecules exhibits resonance?

Accepted Answer

Benzene (C6H6)

Answer

Water (H2O)

Answer

Ethane (C2H6)

Answer

Ammonia (NH3)

Question 47

What is the predominant intermolecular force present in liquid bromine (Br2)?

Accepted Answer

London dispersion forces

Answer

Dipole-dipole interactions

Answer

Ion-dipole interactions

Answer

Hydrogen bonding

Question 48

Consider the reaction: 2Na + Cl2 → 2NaCl. What type of chemical bond is formed in the product?

Accepted Answer

Ionic

Answer

Covalent

Answer

Metallic

Answer

Hydrogen