Predicting Lewis Dot Structures (9.2.2)

Question 1

How are Lewis dot structures of elements in the same column similar?

Answer 1

• Lewis dot structures of elements in the same column (group) of the periodic table are the same.

Question 2

Some stable molecules or ions have an odd number of what?

Answer 2

• Some stable molecules or ions have an odd number of valence electrons.

Question 3

Elements in the third row (period) and beyond form molecules using what?

Answer 3

• Elements in the third row (period) of the periodic table and beyond form molecules using expanded octets.

Question 4

How does a triple bond compare to a double bond?

Answer 4

• A triple bond is shorter and stronger than a double bond, which is shorter and stronger than a single bond.