Lewis Dot Diagrams and Lewis Structures

How many valence electrons should Oxygen have in its Lewis dot model?

• 5

• 6

• 7

• 8

Tags

NGSS.MS-PS1-1

How many valence electrons does chlorine (Cl) have?

• 2
• 5
• 6
• 7

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which of these elements has 8 valence electrons?

• P
• Be
• O
• Ar

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

This is the correct dot diagram for nitrogen (N)

• true
• false

Tags

NGSS.MS-PS1-1

This is the correct dot diagram for sodium (Na)

• true
• false

Tags

NGSS.MS-PS1-1

This could be the dot diagram of

• Ne

• H

• C

• F

Tags

NGSS.MS-PS1-1

How many valence electrons are in Phosphorus?

• 15
• 4
• 5
• 31

Tags

NGSS.HS-PS1-1

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

• 5
• 6
• 7
• 8

Tags

NGSS.MS-PS1-1

How many electrons does Si contain? (click to see image)

• 14
• 28
• 2
• None of these

Tags

NGSS.MS-PS1-1

What is the correct formula for this molecule?

• NH
• N₃H
• NH₃
• NH₄

Tags

NGSS.MS-PS1-1