3. Chemical Foundations

Chemical Bonding — Quiz

Test your understanding of chemical bonding with 5 practice questions.

Practice Questions

Question 1

Using the Pauling formula $\%\text{ionic} = \bigl(1 - e^{-0.25(\Delta\chi)^2}\bigr)\times100\\%$ with electronegativities $\chi_H=2.20$ and $\chi_{Cl}=3.16$, what is the percent ionic character of HCl?

Question 2

In SF$_4$, what are the electron-pair geometry and molecular geometry, respectively?

Question 3

Despite each C–O bond in CO$_2$ being polar, why is the overall molecule nonpolar?

Question 4

Which statement correctly describes the bonding in carbon monoxide (CO)?

Question 5

Rank the bond dipole moments of HF (Δχ=1.78), HCl (Δχ=0.98), and HI (Δχ=0.35) from largest to smallest.