Chemical Bonding Quiz

What is the bond angle in a water molecule (H₂O)?

• 120°

• 90°

• 104.5°

• 180°

Which type of bond is formed when electrons are shared between two atoms?

• Ionic bond

• Covalent bond

• Hydrogen bond

• Metallic bond

What is the shape of a methane (CH₄) molecule?

• Linear

• Bent

• Tetrahedral

• Trigonal planar

Which of the following molecules has a triple bond?

• H₂

• O₂

• N₂

• H₂O

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

• sp

• sp²

• sp³

• sp³d

Which bond is the strongest?

• Sigma (σ) bond

• Pi (π) bond

• Hydrogen bond

• Van der Waals forces

What type of bond exists in NaCl?

• Covalent bond

• Ionic bond

• Metallic bond

• Hydrogen bond

What is the electron configuration of an Na⁺ ion?

• 1s² 2s² 2p⁶

• 1s² 2s² 2p⁵

• 1s² 2s² 2p⁶ 3s¹

• 1s² 2s² 2p⁴

Which of the following is a polar covalent molecule?

• Cl₂

• O₂

• H₂O

• N₂

What is the shape of the BF₃ molecule?

• Trigonal planar

• Tetrahedral

• Linear

• Bent