1. A Review of General Chemistry

How many electrons does an atom of each of the following elements need to lose to achieve a noble gas configuration? By losing that many electrons, which noble gas configuration is achieved?

(b) Aluminum

Which statement best describes the octet rule in organic chemistry?

Which of the following molecules is an exception to the octet rule?

PRACTICE:Analyze the following molecules. Indicate ALL atoms that are in violation of the octet rule.

Which of the following molecules obeys the octet rule for all its atoms?

Which of the following best explains how covalently-bound atoms obey the $\mathrm{octet}\mathrm{rule}$?

Which of the following molecules violates the octet rule?

How many electrons does an atom of each of the following elements need to lose to achieve a noble gas configuration? By losing that many electrons, which noble gas configuration is achieved?

(c) Magnesium

Which of the following molecules has a central atom that violates the octet rule?

Which of the following best describes an octet in the context of the octet rule in chemistry?

PRACTICE:Analyze the following molecules. Indicate ALL atoms that are in violation of the octet rule.

How many electrons does an atom of each of the following elements need to gain to achieve a noble gas configuration? By gaining that many electrons, which noble gas configuration is achieved?

(d) Chlorine