For O3, the formal charge on the central atom is _____. Hint: Draw the dominant Lewis structure before determining formal charge.

For the nitrate anion (NO3-), which of the following statements is true?

Based on its Lewis symbol, how many covalent bonds is sulfur (S) likely to form?

Which molecule contains bonds that would be classified as polar covalent? Hint: Use electronegativity differences to make this determination.

Which molecule contains bonds that would be classified as nonpolar covalent? Hint: Use electronegativity differences to make this determination.

Based on its Lewis symbol, how many covalent bonds is silicon (Si) likely to form?

For BCl3, the formal charge on the central atom is _____. Hint: Draw the dominant Lewis structure before determining formal charge.

In the dominant Lewis structure for ozone, O3, how many nonbonding electron pair(s) is/are on the central atom?

Match each prefix with the correct definition or description.

Most of the SPDC’s Lawyers travelled to Georgia because of a growing crisis. What was that crisis?