Review Atomic Theories

Review Atomic Theories

10th Grade

9 Qs

quiz-placeholder

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Review Atomic Theories

Review Atomic Theories

Assessment

Quiz

Chemistry

10th Grade

Practice Problem

Hard

Created by

Irish Idias

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9 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the Gold Foil Simulation, you send alpha particles toward a thin sheet of gold. Most pass through without deflection. What does this mean?

A. Alpha particles are invisible

B. Atoms are mostly empty space

C. Gold has no electrons

D. Alpha particles have no mass

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the Gold Foil Experiment, why did Rutherford expect all alpha particles to pass straight through the foil?

A. He believed atoms were solid spheres

B. He believed in the “plum pudding” model

C. He thought alpha particles were too light

D. He thought gold atoms were smaller than alpha particles

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When exploring the Millikan Oil Drop Simulation, you adjust the electric field until an oil droplet is suspended in mid-air. What is this point called?

A. Critical drop point

B. Equilibrium point

C. Terminal velocity

D. Static levitation

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the Oil Drop Experiment, why is it important to balance the gravitational force and the electric force on the droplet?

A. To make it glow

B. To measure the charge of an electron

C. To remove air resistance

D. To make the oil lighter

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of these observations in the cathode ray simulation helped Thomson conclude that electrons are part of all atoms?

A. The beam was always the same regardless of the metal used

B. The beam disappeared without electricity

C. The beam could not pass through glass

D. The beam moved faster in water

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When exploring the Millikan Oil Drop Simulation, you adjust the electric field until an oil droplet is suspended in mid-air. What is this point called?

A. Critical drop point

B. Equilibrium point

C. Terminal velocity

D. Static levitation

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the Oil Drop Experiment, why is it important to balance the gravitational force and the electric force on the droplet?

A. To make it glow

B. To measure the charge of an electron

C. To remove air resistance

D. To make the oil lighter

8.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the Cathode Ray Tube simulation, what happens when you turn on the battery and connect the plates?

A. A glowing beam travels from the positive plate to the negative plate

B. A glowing beam travels from the cathode (negative) to the anode (positive)

C. Nothing happens unless there is air inside

D. The beam moves in circles

9.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why do these three experiments (Gold Foil, Millikan Oil Drop, Cathode Ray) still matter today?

A. They are fun to do in school

B. They were the first experiments with electricity

C. They are easy to understand

D.They proved the nucleus, electrons, and electron charge which are still foundations of modern science