Identifying Lewis Dot Structures

​LEWIS DOT STRUCTURE PRACTICE

By Felicia Thomas

Multiple Choice

In the Lewis structure for CO₂, how many total shared pairs of valence electrons are there?

• 6

• 4

• 8

• 16

Multiple Choice

Which pair of elements would most likely form a covalent bond?

• H and Br

• Cr and O

• K and O

• Li and Cl

Multiple Choice

Which pair of elements would most likely form an ionic bond rather than a covalent one?

• H and Br

• C and O

• K and O

• H and Cl

Multiple Choice

Which pair of elements would most likely form an ionic bond rather than a covalent one?

• H and Br

• Ca and O

• N and O

• S and Cl

Multiple Choice

How many total valence electrons are in H₂S?

• 6

• 2

• 8

• 7

Multiple Choice

What is the correct Lewis Dot Structure for ammonia NH3

Multiple Choice

Which of the following is the correct Lewis dot structure for the molecule fluorine (F₂)?

• A
• B
• C
• D

Multiple Choice

Three pairs of electrons are shared in a

• Single bond
• Double bond
• Triple bond

Multiple Choice

Which of the following is the correct Lewis structure for the compound PBr₃?

• structure A
• structure B
• structure C
• structure D