Intermolecular Forces

Intermolecular Forces

10th Grade

7 Qs

quiz-placeholder

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Intermolecular Forces

Intermolecular Forces

Assessment

Quiz

Chemistry

10th Grade

Medium

NGSS
MS-PS1-4, HS-PS1-1

Standards-aligned

Created by

Summer Nguyen

Used 9+ times

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7 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

When a solid reaches the temperatures of its ___, it can become a liquid.

melting point
freezing point
boiling point
density

Tags

NGSS.MS-PS1-4

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

When a liquid reaches the temperatures of its ___, it can become a gas.

melting point
freezing point
boiling point
density

Tags

NGSS.MS-PS1-4

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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

higher

lower

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Water and ammonia molecules are roughly the same size and the same mass but ammonia boils at -28°F and water boils at 212°F. What can we conclude about the intermolecular forces between water and ammonia?

Water has stronger intermolecular forces

Ammonia has stronger intermolecular forces

The intermolecular forces are the same strength

Not enough information is given

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The melting points and boiling points of substances can lead to inferences about the intermolecular attraction of the atoms of these substances because higher melting and boiling points indicate that

the atomic mass of the substances is smaller.

the substances produce exothermic reactions.

atomic radii increases heat is added.

more energy is needed to separate molecules.

Tags

NGSS.HS-PS1-1

7.

REORDER QUESTION

2 mins • 4 pts

Media Image

Students conduct an investigation that compares the boiling points of different substances. The students' data is represented in the table to the left. Based on the data, order the substances from the weakest intermolecular forces to the strongest intermolecular forces

Water

Ethanol

Acetone

Propanol

Answer explanation

The weaker the intermolecular forces that hold the substance together, the lower the substance's boiling point will be. This means that the substance with the lowest boiling point has the weakest intermolecular forces and the substance with the highest boiling point has the strongest intermolecular forces. Acetone has the lowest boiling point followed by ethanol then propanol with water having the highest boiling point, which means that acetone has the weakest intermolecular forces followed by ethanol then propanol with water having the strongest intermolecular forces.

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