Lewis Structure Practice

This is the correct dot diagram for nitrogen (N)

• true

• false

Tags

NGSS.MS-PS1-1

How many electrons does each line indicate are shared?

• 1

• 2

• 3

• 4

How many electrons are in the triple bond of cyanide?

• 2

• 3

• 4

• 6

Tags

NGSS.MS-PS1-1

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

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

What is the correct formula for this molecule?

• Si₄F

• SiF₄

• SiF

• Si₄F₄

Tags

NGSS.MS-PS1-1

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

• Li

• Al

• C

• Be

Tags

NGSS.MS-PS1-1

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

• 2

• 8

• 6

• 18