Practice Quiz

MCAS Chemistry Exam Practice

Category - Chemistry

Start a Study Session Sign up for Question of the Day
In a hydrogen fluoride (HF) molecule, a hydrogen atom and a fluorine atom are held together by a polar covalent bond. Which of the following best explains why this bond is polar?
  1. the large difference in the atomic radii of hydrogen and fluorine atoms
  2. the large difference in the atomic masses of hydrogen and fluorine atoms
  3. the large difference in theelectronegativities of hydrogen and fluorine atoms
  4. the large difference in the number of electrons of hydrogen andfluorine atoms
Explanation
Answer: C - the large difference in theelectronegativities of hydrogen and fluorine atoms
Previous Next
Was this helpful? Upvote!
Login to contribute your own answer or details
Start a Study Session Sign up for Question of the Day

Top questions

Related questions

Most popular on PracticeQuiz