Lewis Structure Practice

Why is this Lewis Structure incorrect? Choose all that apply.

• There are too many bonds around Si.

• There should only be single bonds in this Lewis Structure.

• The Structure is missing a triple bond.

• Chlorine only has 6 electrons surrounding it.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

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

• 1

• 3

• 5

• 7

Tags

NGSS.HS-PS1-1

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

• 5

• 6

• 7

• 8

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

• 5

• 6

• 7

• 8

Tags

NGSS.HS-PS1-1

What is the correct formula for this molecule?

• Si₄F

• SiF₄

• SiF

• Si₄F₄

Tags

NGSS.HS-PS1-1

By replacing the element symbol, this could be a diagram of which element?

• Li

• Al

• C

• Be

Tags

NGSS.HS-PS1-1

NH₃ has how many lone pairs?

• 0

• 1

• 2

• 3

Three pairs of electrons are shared in a

• Single bond

• Double bond

• Triple bond

 Choose the structure that forms a triple bond.

• Hydrogen

• Fluorine

• Oxygen

• Nitrogen

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

• 2

• 4

• 6

• 8

Tags

NGSS.HS-PS1-1