13. Liquids, Solids & Intermolecular Forces

Why does the presence of lone pair electrons on the oxygen atom contribute to the polarity of a water (H_2O) molecule?

Which of the following best describes the polarity of nitrogen trichloride (NCl_3)?

In a water molecule (H_2O), which part of the molecule attracts most of the electrons and carries a partial negative charge?

Is a molecule of hydrogen chloride (HCl) polar or nonpolar?

Which of the following molecules contains polar covalent bonds?

What does it mean when a molecule is said to be "polar"?

Which of the following molecules will have a net dipole moment?

Which of the following is the best method to determine whether a molecule is polar?

Which one of the following molecules is polar?

Which of the following molecules is nonpolar?

Which of the following molecules is nonpolar?

Which of the following best describes the polarity of carbon tetrachloride (CCl4)?

Which of the following best describes the polarity of the molecule CH_4 (methane)?

Is the molecule CH_4 (methane) polar or nonpolar?

Which of the following best describes the polarity of the molecule SF_2?