AP Chemistry Unit 3

AP Chemistry Unit 3

11th Grade

25 Qs

quiz-placeholder

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AP Chemistry Unit 3

AP Chemistry Unit 3

Assessment

Quiz

Science

11th Grade

Hard

SPQ-3.A, NGSS.HS-PS2-4, SAP-8.C

+4

Standards-aligned

Created by

Lisa Thompson

FREE Resource

25 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Which type of IMF is responsible for the attraction pictured above?

Dipole-Dipole Interaction

Ion-Dipole Interaction

Hydrogen Bonds

Covalent Bond

Ionic Bond

Tags

NGSS.HS-PS2-4

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Molecules that absorb infrared radiation undergo…

bond vibrational movement.

rotational movement.

electron energy promotion (electron excitement).

Tags

SAP-8.C

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

When the volume of a gas decreases at constant temperature, what will happen to pressure?

pressure increases due to increased kinetic energy of each gas particle

pressure increases due to the smaller volume and more collisions with the sides of the container

molecules collide less due to the pressure decrease due to smaller volume  of molecules

pressure increases because molecules are moving faster due to the increase number of molecules

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following is the best piece of laboratory glassware for preparing 500.0 mL of an aqueous solution of a solid?

Volumetric flask

Erlenmeyer flask

Test tube

Graduated beaker

Graduated cylinder

Tags

SPQ-3.A

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

An ionic crystal is added to water and starts to dissolve as shown in the particulate representation above. Based on the orientation of the water molecules, what can be assumed about the charge of the hydrated particle indicated by the arrow?

The particle is positively charged, because the oxygen atoms in water are attracted to it.

The particle is negatively charged, because hydrogen atoms in water are attracted to it.

The particle is both positively and negatively charged, because the water molecules are attracted to it.

The particle is neutral, because the dipoles of the water molecules neutralize the charge of the particle.

Answer explanation

The oxygen atom of a water molecule has a partial negative charge due to oxygen’s greater electronegativity compared to hydrogen. The negative oxygen in H2O is attracted to positive particles (e.g., cations). The diagram shows the oxygen atoms of water molecules next to the particle indicated by the arrow, indicating that it has a positive charge.

Tags

SPQ-3.B

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following pieces of laboratory glassware should be used to most accurately measure out a 25.00 mL sample of a solution?

5 mL pipet

25 mL pipet

25 mL beaker

25 mL Erlenmeyer flask

50 mL graduated cylinder

Tags

SPQ-3.A

7.

MATCH QUESTION

1 min • 1 pt

Match the Following

Present in both Polar and Non Polar Molecules

Hydrogen Bond

Polar Substances only

London Dispersion Forces

Present in Polar involving N, O, F

Dipole- Dipole

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