Unit 9 AP Chemistry Thou Shalt Not Forget

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

• 12

• 6

• 4

• 8

What do mass spectroscopy graphs measure?

• Mass of isotopes

• Mass of protons

• Energy of electrons

• Number of electrons

What is the bond angle in BF₃?

• 90

• 120

• 109.5

• 180

Which orbital is filled after 4p?

• 5s

• 4s

• 3d

• 4p

Tags

NGSS.HS-PS1-1

What is the bond angle in H₂O?

• 120

• 90

• 180

• 104.5

Fill in the blanks: germanium is a ________________, hydrogen is a _________________ and uranium is a ________________

• metal, non-metal, metalloid

• metalloid, non-metal, metal

• non-metal, metal, metalloid

Tags

NGSS.HS-PS1-1

Are asymmetrical molecules polar or nonpolar?

• Polar

• non-polar

• neither

What is the bond angle in NH₃?

• 120

• 107.3

• 180

• 90

List the 3 Intermolecular forces from weakest to strongest

• hydrogen bonding, London dispersion, dipole-dipole

• London dispersion, hydrogen bonding, dipole-dipole

• London dispersion, dipole-dipole, hydrogen bonding

• dipole-dipole, hydrogen bonding, London dispersion

List ALL the Intermolecular forces that exist in PCl₃

• hydrogen bonding, London dispersion

• London dispersion, hydrogen bonding, dipole-dipole

• London dispersion, dipole-dipole

• London dispersion