Lewis Structure and Formal Charge DOL

How many valence electrons does Argon have

• 8

• 11

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How many valence electrons does Carbon have

• 1

• 4

Tags

NGSS.HS-PS1-1

According to the octet rule most elements need _______ valence electrons.

• 2
• 8
• 6
• 18

Tags

NGSS.HS-PS1-1

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

• 4
• 6
• 8
• 2

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is the correct Lewis Dot Structure for ammonia NH3

• 
• 
• 
• 

Tags

NGSS.MS-PS1-1

Which is the correct molecular structure for carbon dioxide?

• 
• 
• 
• 

Tags

NGSS.MS-PS1-1

In the correct Lewis structure for CH_4, how many unshared electron pairs surround the carbon?

• 2
• 8
• 0
• 4

Tags

NGSS.MS-PS1-1

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

• A
• B
• C
• D

Tags

NGSS.MS-PS1-1

What is the formal charge on the oxygen atom at the top of this Lewis dot structure?

• 0

• -1

• +1

• -3

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is the formal charge on the phosphorus atom in this Lewis dot structure?

• 0

• -1

• +1

• -3