Lewis Dot Structures Covalent and Ionic

How many valence electrons would be in the Lewis dot diagram for CF4?

• 44 valence electrons

• 28 valence electrons

• 4 valence electrons

• 32 valence electrons

Which of the following best describes a covalent bond?

• electrons are transferred

• good conductors of electricity

• a metal and a nonmetal

• nonmetals only

What is the difference between the types of elements in a covalent bond versus an ionic bond?

• Covalent compounds are between two non-metals; Ionic compounds are between a metal and non-metal

• Covalent compounds are between a metal and non-metal; Ionic compounds are between two non-metals

• Covalent compounds are between two metals; Ionic compounds are between a metal and non-metal

• Covalent compounds are between a metal and non-metal; Ionic compounds are between two metals

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

• A

• B

• C

• D

Which is the correct molecular structure for carbon dioxide (CO₂)?

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• 
• 

Tags

NGSS.MS-PS1-1

What is the correct Lewis Dot Structure for ammonia NH₃?

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• 
• 

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Choose the correct shape for this molecule:

• Trigonal planar

• Trigonal pyramidal

• Trigonal planar - Bent

• Tetrahedral

Is this molecule symmetrical or asymmetrical?

• Asymmetrical

• Symmetrical

What geometry will this molecular structure have?: CBr₄

• tetrahedral - bent

• tetrahedral

• linear

• trigonal pyramidal

Tags

NGSS.HS-PS1-3

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

• structure A

• structure B

• structure C

• structure D

Tags

NGSS.HS-PS1-1