UPCAT Science practice question 17: What type of bond holds sodium chloride together?
Correct answer
C. Ionic bond
Sodium transfers an electron to chlorine, producing Na⁺ and Cl⁻ ions held together by electrostatic attraction.
The question
What type of bond holds sodium chloride together?
- Option A: Nonpolar covalent bond
- Option B: Hydrogen bond
- Option C: Ionic bondCorrect
- Option D: Metallic bond
Why C is correct
Sodium transfers an electron to chlorine, producing Na⁺ and Cl⁻ ions held together by electrostatic attraction.