MCAT (Medical College Admission Test) Question: Download Medical College Admission Test (MCAT) PDF
Which of the following best explains why HCl bonds are polar covalent?
Answer:
1. H atoms are smaller than Cl atoms.
2. H atoms are more electronegative than Cl atoms.
3. Cl and H atoms have equal electronegativities.
4. Cl atoms have a greater effective nuclear charge than H atoms do.
Answer: D
2. H atoms are more electronegative than Cl atoms.
3. Cl and H atoms have equal electronegativities.
4. Cl atoms have a greater effective nuclear charge than H atoms do.
Answer: D