Chemistry 001

What type of bond involves the sharing of electron pairs between atoms?

• Ionic bond

• Metallic bond

• Hydrogen bond

• Covalent bond

Which of the following is a characteristic of ionic bonds?

• They involve the sharing of electrons between atoms.

• They result in the formation of neutral molecules.

• They are formed only between metals.

• They involve the transfer of electrons and the formation of charged ions.

What is the primary type of bond found in water (H2O)?

• Covalent bond

• Ionic bond

• Hydrogen bond

• Metallic bond

Which of the following elements is most likely to form a covalent bond?

• Sodium

• Iron

• Carbon

• Oxygen

What is the bond angle in a tetrahedral molecular geometry?

• 120 degrees

• 90 degrees

• 180 degrees

• 109.5 degrees

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

• Metallic bond

• Hydrogen bond

• Ionic bond

• Covalent bond

What is the term for the energy required to break a bond between two atoms?

• Molecular stability energy

• Bond dissociation energy

• Atomic energy

• Bond formation energy

Which of the following molecules has a polar covalent bond?

• Water (H2O)

• Carbon Dioxide (CO2)

• Methane (CH4)

• Oxygen (O2)

What is the shape of a molecule with two bonding pairs and two lone pairs of electrons?

• Linear

• Trigonal planar

• Tetrahedral

• Bent or angular

Which of the following statements about metallic bonds is true?

• Metallic bonds only occur in non-metallic elements.

• Metallic bonds involve a sea of delocalized electrons.

• Metallic bonds are formed by the transfer of electrons between atoms.

• Metallic bonds are characterized by fixed electrons in a lattice structure.