Covalent Bonding Review

What is the correct Lewis Dot Structure for ammonia NH3

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Tags

NGSS.HS-PS1-1

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

• A

• B

• C

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-PS1-2

How many bonds can hydrogen make?

• Only 1

• 1 or 2 Bonds

• 1 bond with 6 electrons on it

• It never makes bonds

Is this the correct structure for CH₂O?

• Yes

• No

Tags

NGSS.MS-PS1-1

What molecular geometry is the structure shown here? (BCl₃)

• linear

• trigonal planar

• tetrahedral

• trigonal pyramidal

Which molecule would have this molecular geometry?

• BF₃

• CH₄

• PCl₅

• CO₂

True or false: Electron pairs tend to be as far away as possible from each other to minimize the repulsive interactions.

• True

• False

Tags

NGSS.HS-PS1-2

Is this molecule polar?

• Yes

• No

Is this molecule polar?

• Yes

• No