Molecular Structures

How many electrons should Oxygen have around its Lewis dot model?

• 5
• 6
• 7
• 8

Tags

NGSS.MS-PS1-1

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

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

Tags

NGSS.MS-PS1-1

This is a correct dot diagram for nitrogen (N)

• true
• false

Tags

NGSS.MS-PS1-1

What is the correct Lewis Dot Structure for ammonia NH3

• 
• 
• 
• 

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

How many valence electrons does phosphorus have?

• 15

• 4

• 5

• 31

Tags

NGSS.HS-PS1-1

When drawing Lewis structures, only __________ electrons are used.

• inner shell

• core

• valence

• stable

Tags

NGSS.HS-PS1-2

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

• A
• B
• C

Tags

NGSS.MS-PS1-1

Which atom will never be in the middle of a Lewis Dot structure?

• N

• C

• H

• P

In the compound sulfur difluoride, which element is in the middle?

• sulfur

• flourine