Lewis Structures

Hydrogen needs _____ electrons in its valence shell to be stable.

• 4
• 6
• 8
• 2

Three pairs of electrons are shared in a

• Single bond
• Double bond
• Triple bond

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

• A
• B
• C
• D

How many electrons can be used in the Lewis Structure for : NO₃ -

• 23
• 20
• 18
• 24

How many valence electrons are available for bonding in the sulfate ion (SO₄^-2)?

• 30 electrons
• 32 electrons
• 28 electrons
• impossible to tell

What is the correct Lewis Dot Structure for ammonia NH3

• 
• 
• 
• 

Which is the correct molecular structure for carbon dioxide?

• 
• 
• 
• 

Is this the correct structure for CH₂O?

• Yes

• No

Which of the following is an acceptable Lewis structure for CH₃Cl?

• Option A
• Option B
• Option C
• Option D

Which of the following is the correct Lewis structure for water?

• A
• B
• C