AP Chemistry Thou Shall Not Forget

Which atom has the negative dipole in this molecule?

• Hydrogen

• Fluorine

• Neither

In this molecule, Carbon has a formal charge of ____ and Nitrogen has a formal charge of _____.

• 0, 0

• 1, 0

• 0, -1

• -1, 0

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Combustion reactions produce what two substances?

• Water Vapor and Carbon Dioxide

• Carbon Dioxide and Oxygen

• Oxygen and Water Vapor

As the electronegativity difference between 2 atoms increases, the polarity of the bond ____________________

• increases

• decreases

What type of bond forms between hydrogen and chlorine?

• polar covalent

• non-polar covalent

• ionic

• hydrogen bond

Tags

NGSS.HS-PS1-1

What is the total # of covalent bonds carbon can form when drawing a Lewis structure?

• 12

• 6

• 4

• 8

Tags

NGSS.HS-LS1-6

What is the bond angle in H₂O?

• 120

• 90

• 180

• 104.5

Are asymmetrical molecules polar or nonpolar?

• Polar

• non-polar

• neither

What is the bond angle in NH₃

• 120

• 107.3

• 180

• 90

What is the hybridization of carbon in CH₄?

• sp³

• sp

• sp²