Chemical Bonding and Molecules Quiz

What type of atoms do molecular compounds consist of?

• Noble gas atoms

• Both metal and non-metal atoms

• Metal atoms

• Non-metal atoms

Which of the following is an example of a molecular compound?

• Sodium chloride (NaCl)

• Calcium carbonate (CaCO3)

• Potassium iodide (KI)

• Glucose (C6H12O6)

What is the octet rule in chemical bonding?

• Each atom tends to have 10 valence electrons

• Each atom tends to have 6 valence electrons

• Each atom tends to have 8 valence electrons

• Each atom tends to have 12 valence electrons

Which of the following is an exception to the octet rule?

• Nitrogen

• Oxygen

• Carbon

• Hydrogen

What type of compounds consist of metals and non-metals?

• Organic compounds

• Covalent compounds

• Ionic compounds

• Molecular compounds

In which type of reaction is energy released into the surroundings?

• Oxidation reaction

• Endothermic reaction

• Exothermic reaction

• Combustion reaction

What is the optimal distance between atoms in a chemical bond?

• Maximum distance

• Minimum distance

• Random distance

• Average distance

What is the net force between atoms when their internuclear distance is x?

• The atoms will move closer together

• It cannot be determined from the given diagram

• The atoms will maintain an average internuclear distance x

• The atoms will move further apart

Which type of bond has the highest bond strength?

• Single covalent bond

• Ionic bond

• Double covalent bond

• Triple covalent bond

What is the process of energy being absorbed from the environment during a reaction called?

• Endothermic reaction

• Bond formation

• Condensing and freezing

• Melting and vaporization