unit 1 review

Which substance would be the best electrolyte?

• sugar water

• carbonated water

• chunk of salt

• vinegar

Which substance would most likely dissolve in water?

• CCl₄

• C₆H₁₄

• I₂

• KCl

Which substance has the weakest intermolecular forces?

• Substance A, boiling point of 75 °C

• Substance B, boiling point of 105 °C

• Substance C, boiling point of 25 °C

• Substance d, boiling point of 45 °C

Tags

NGSS.HS-PS1-3

Which substance would have the weakest intermolecular forces of attraction?

• CH₄

• NaCl

• H₂O

• MgF₂

Tags

NGSS.HS-PS1-3

Which substance would have the highest boiling point at standard pressure?

• H₂O

• CCl₄

• CO₂

• NBr₃

Tags

NGSS.HS-PS1-3

The weaker the intermolecular forces of a substance the _____________ the boiling point

• higher

• lower

Tags

NGSS.HS-PS1-3

What will be the state of the following molecule?

• gas
• liquid
• solid

Tags

NGSS.HS-PS1-5

What shape would NH3 make?

• trigonal planar

• trigonal pyrimidal

• tetrahedral

• bent

Intramolecular bonds consist of:

• polar covalent and non-polar covalent

• only polar covalent

• dipole-dipole forces

• london dispersion forces

Which would be the correct order of increasing boiling point:

• CO₂, NH₃, Na₂CO₃

• Na₂CO_3, NH₃, CO₂,

• CO₂, Na₂CO_3, NH₃,

• Na₂CO_3, CO₂, NH₃,

• NH₃, CO_2, Na₂CO_3,