Which type of chemical bond involves atoms sharing electrons unequally due to difference in electronegativity?
A
Non-polar covalent bond
B
Polar covalent bond
C
Metallic bond
D
Ionic bond
Correct Answer: Option B — Polar covalent bond
Explanation:
A polar covalent bond forms when electrons are shared unequally between atoms of different electronegativities creating partial positive and negative charges on the molecule as in water.