Bohr Diagrams and Lewis Dot Diagrams

What element is this?

• Helium
• Hydrogen
• Argon
• Silver

Tags

NGSS.HS-PS1-1

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

• 19
• 39
• 20
• 40

Tags

NGSS.HS-PS1-1

What's a valence electron?

• electrons in the second energy level
• electrons in the outermost energy level
• the atomic number
• electrons in the first level

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How many dots would a Lewis Dot structure of Helium have?

• 1
• 2
• 8
• 0

Tags

NGSS.HS-PS1-1

How many valence electrons are in Phosphorus?

• 15
• 4
• 5
• 31

Tags

NGSS.HS-PS1-1

?

• Lithium
• Boron
• Carbon
• Neon

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

?

• Helium
• Hydrogen
• Argon
• Silver

Tags

NGSS.HS-PS1-1

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

• 1
• 2
• 7
• 8