Honors Chemistry Unit 7 Review

The energy of movement is ___.

• potential energy

• kinetic energy

• mechanical energy

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NGSS.MS-PS3-1

NGSS.MS-PS3-5

The force of attraction between molecules is ___.

• intermolecular forces

• bridge forces

• chemical bonds

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NGSS.MS-PS2-5

These properties describe a ___.

• solid

• liquid

• gas

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NGSS.MS-PS1-4

Water is "sticky" because...

• of cohesion.

• of adhesion.

• of the attraction between the positively charged hydrogen atoms and the negatively charged oxygen atom.

• of capillary action.

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NGSS.MS-PS1-1

Of these three states of matter, which one has the most kinetic energy? 

• Solid 
• Liquid 
• Gas

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NGSS.HS-PS3-2

Which sample has hydrogen bonding?

• H₂S

• CH₄

• NH₃

• HI

Water has an unusually high boiling point for a molecular compound because it has

• hydrogen bonding

• ion-ion attractions

• a high density

• a large gram formula mass

Tags

NGSS.HS-PS1-3

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 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