Q1: 1. Which of the following bonds is the strongest?

• A) Ionic bond
• B) Covalent bond
• C) Metallic bond
• D) Hydrogen bond

Q2: 2. In a covalent bond, electrons are

• A) Transferred from one atom to another
• B) Shared between atoms
• C) Donated to an empty orbital
• D) Attracted to a positively charged nucleus

Q3: 3. The shape of a water molecule is

• A) Linear
• B) Trigonal planar
• C) Bent
• D) Tetrahedral

Q4: 4. Which of the following molecules exhibits hydrogen bonding?

• A) CH4
• B) H2O
• C) CO2
• D) NH3

Q5: 5. The bond angle in a water molecule is approximately

• A) 90°
• B) 109.5°
• C) 120°
• D) 104.5°

Q6: 6. A molecule with a trigonal bipyramidal shape has how many lone pairs of electrons?

• A) 0
• B) 1
• C) 2
• D) 3

Q7: 7. Which type of bond is formed between a metal and a non-metal?

• A) Covalent bond
• B) Ionic bond
• C) Metallic bond
• D) Coordinate covalent bond

Q8: 8. Which of the following molecules has a nonpolar covalent bond?

• A) HCl
• B) HF
• C) CO2
• D) NH3

Q9: 9. The bond length in a double bond is

• A) Longer than a single bond
• B) Shorter than a single bond
• C) Equal to a single bond
• D) Unpredictable

Q10: 10. The bond angle in a methane molecule (CH4) is

• A) 90°
• B) 109.5°
• C) 120°
• D) 109°

Q11: 11. Which of the following molecules is polar?

• A) CO2
• B) CH4
• C) NH3
• D) H2

Q12: 12. A molecule with a linear shape has how many bonded pairs of electrons?

• A) 2
• B) 3
• C) 4
• D) 1

Q13: 13. Which type of bond is present in a diamond crystal lattice?

• A) Covalent bond
• B) Ionic bond
• C) Metallic bond
• D) Hydrogen bond

Q14: 14. A molecule with sp3 hybridization has what bond angle?

• A) 90°
• B) 109.5°
• C) 120°
• D) 180°

Q15: 15. Which of the following molecules has a triple bond?

• A) O2
• B) N2
• C) H2
• D) Cl2

Q16: 16. The bond angle in a trigonal planar molecule is

• A) 90°
• B) 109.5°
• C) 120°
• D) 180°

Q17: 17. Which bond type is characterized by the sharing of electrons?

• A) Ionic bond
• B) Covalent bond
• C) Metallic bond
• D) Hydrogen bond

Q18: 18. In a coordinate covalent bond, the shared pair of electrons comes from

• A) One atom
• B) Both atoms
• C) Another molecule
• D) The environment

Q19: 19. Which of the following molecules has a bent shape?

• A) CO2
• B) H2O
• C) CH4
• D) NH3

Q20: 20. The bond angle in an ammonia molecule (NH3) is closest to

• A) 90°
• B) 109.5°
• C) 120°
• D) 107°

Q21: 21. Which type of bond is formed between two chlorine atoms in a Cl2 molecule?

• A) Covalent bond
• B) Ionic bond
• C) Metallic bond
• D) Hydrogen bond

Q22: 22. A molecule with sp hybridization has what bond angle?

• A) 90°
• B) 109.5°
• C) 180°
• D) 120°

Q23: 23. Which of the following molecules has a polar covalent bond?

• A) HCl
• B) N2
• C) H2
• D) F2

Q24: 24. The bond angle in a tetrahedral molecule is

• A) 90°
• B) 109.5°
• C) 120°
• D) 109°

Q25: 25. Which bond type is formed between a hydrogen atom and a fluorine atom in a HF molecule?

• A) Covalent bond
• B) Ionic bond
• C) Metallic bond
• D) Hydrogen bond