Question

1. Which of the following bonds is the most polar covalent but not ionic?

2. Which of the following bonds is the least polar covalent (but not non-polar covalent bond)?

3. For the following bonds assigned charges to each atom use + and - for ionic compounds and S+ and S- for covalent bonds where electrons are not equally shared. If a covalent bond has electrons equally shared, leave it blank.

Answer 1

1) B-F   is most polar covalent bond

2) O-F is least polar covalent bond.

3) Na⁺ F^-

H s⁺ -Fs^-

Cs⁺ - Os^-

K⁺ Cl^-