Phase Changes & Lewis Structures

This is a correct dot diagram for fluorine (F)

• true
• false

What is the correct Lewis Dot Structure for ammonia NH₃

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• 
• 
• 

Which is the correct Lewis structure for carbon dioxide?

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• 
• 
• 

How many total electrons are participating in bonding in the molecule CH₂O?

• 8

• 4

• 2

• 3

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

• A
• B
• C
• D

CCl₄ has how many double bonds?

• 0

• 1

• 2

• 3

Which of the following compounds has only single bonds?

• I only

• II only

• III only

• I and III

• III and IV

What formula results when Ca⁺²  and  Br^- ions bond?

• Ca₂Br₂
• CaBr
• Ca(br)₂
• CaBr₂

During A to B what phase of matter is the substance?

• Solid

• Liquid

• Gas

• Plasma

From E to F, what phase of matter is the substance?

• Solid

• Liquid

• Gas

• Plasma