Who discovered the electron?

English physicist - J.J. Thomson

English physicist from New Zealand - Ernest Rutherford

What kind of equipment was used to discover the electron?

A round-bottom glass flask for carrying out chemical reactions

Electron Transmission Microscope (ETM)

A chamber producing alpha particles going through a gold foil surrounded by a screen (Gold Foil Experiment)

What kind of equipment was used to discover the proton?

A round-bottom glass flask for carrying out chemical reactions

Electron Transmission Microscope (ETM)

A chamber producing alpha particles going through a gold foil surrounded by a screen (Gold Foil Experiment)

What kind of interaction does occur between particles that have opposite charges?

The particles attract to each other

The particles repel from each other

What kind of interaction does occur between particles that have same charges?

The particles repel from each other

The particles attract to each other

Positively charged electrode made from metal.

Negatively charged electrode made from metal.

Negatively charged electrode, made from metal.

Positively charged electrode, made from metal.

What is a cathode ray?

A glowing beam of negatively charged particles that move in a straight line from the cathode to the anode.

A glowing beam of negatively charged particles that move in a straight line from the anode to the cathode.

A beam of electrons produced by the sun.

A cathode ray in a CRT travels from...

A negatively charged electrode - cathode

A positively charged electrode - anode

A positively charged electrode - cathode

A cathode ray in a CRT travels toward...

A positively charged electrode - anode

A negatively charged electrode - cathode

A positively charged electrode - cathode

What happens to the cathode ray when it travels between electrically charged metal plates.

The cathode ray gets attracted toward a positively charged metal plate

The cathode ray gets attracted toward a negatively charged metal plate

The cathode ray does not change its trajectory and continues moving toward the anode

Why did J. J. Thomson and R.A. Millikan conclude that an electron is a fundamental subatomic particle of an atom?

They noticed that different substances in their experiments produced identical negatively charged particles with the same mass and the same charge.

They noticed that different substances in their experiments produced different negatively charged particles with different mass and different charge that depended on the substance.

They noticed that different substances in their experiments produced different negatively charged particles with different mass and the same charge.

What are the main characteristics of J. J. Thomson's model of an atom?

An atom contains negatively charged particles (electrons), which are evenly distributed inside of a positively charged space of an atom. Atom is divisible particle of matter.

An atom has a spherical shape and cannot be divided further

An atom has different shapes and cannot be divided further

An atom contains negatively charged particles (electrons), which move around a positively charged nucleus of an atom. Atom is divisible particle of matter.

What is the name of J. J. Thomson's model of an atom?

Indivisible Cones and Cylinders Model

Who is Robert A. Millikan?

The U.S. physicist who determined the charge of the electron and calculated an electron's mass.

The English physicist who discovered the electron

The English physicist who discovered the neutron

The German physicist who discovered the proton

The German physicist who developed his theory of relativity

Who is Eugen Goldstein?

The German physicist who discovered the proton

The English physicist who discovered the electron

The U.S. physicist who determined the charge of the electron and calculated an electron's mass.

The English physicist who discovered the neutron

Who is James Chadwick?

The English physicist who discovered the neutron

The English physicist who discovered the electron

The U.S. physicist who determined the charge of the electron and calculated an electron's mass.

The German physicist who discovered the proton

Who is J. J. Thomson?

The English physicist who discovered the electron

The U.S. physicist who determined the charge of the electron and calculated an electron's mass.

The English physicist who discovered the neutron

The German physicist who discovered the proton

The relative mass of a neutron is equal to

the mass of two protons combined together

The relative mass of the electron is

almost 2000 times lighter than the mass of the proton or the neutron

the same as a mass of the proton

the same as a mass of the neutron

Rays composed of positively charged particles (protons) that produced in a CRT and traveling from the anode to the cathode

Rays composed of positively charged particles (protons) that produced in a CRT and traveling from the cathode to the anode

Rays composed of negatively charged particles (electrons) that produced in a CRT and traveling from the cathode to the anode

It is the smallest particle of an element that doesn't change into a particle of another element during a chemical change.

It is the smallest particle of an element that change into a particle of another element during a chemical change.

The smallest fundamental particle of the universe.

Subatomic Particles - Electrons, Protons, Neutrons

10th - 12th Grade

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Practice Problem

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Medium

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NGSS

HS-PS3-5, MS-PS1-1, HS-PS2-4

Standards-aligned

Marina Busuek

Used 73+ times

FREE Resource

36 questions

Show all answers

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is matter?

Anything that has mass and occupies space

Anything that transfers energy

Anything that moves through space

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-4

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main difference between John Dalton's and J.J. Thomson's models of an atom?

John Dalton thought that atoms are divisible and J. J. Thomson determined that atoms are indivisible

John Dalton thought that atoms are indivisible and J. J. Thomson determined that atoms are divisible after he discovered electrons

Both, Dalton and J.J. Thomson proposed that atoms are indivisible particles.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does it mean - subatomic particles?

Particles that cannot be divided further

Particles that are smaller than an atom and make up an atom

Particles that are bigger than an atom and contain an atom in them

Particles that are the same size as an atom

Tags

NGSS.HS-PS1-8

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Choose 3 main subatomic particles of an atom from the list below.

Nucleus

Electron

Element

Proton

Neutron

Tags

NGSS.MS-PS1-1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is an electron?

It is a positively charged subatomic particle

It is a negatively charged subatomic particle

It is a neutral (no electrical charge) subatomic particle

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a proton?

It is a positively charged subatomic particle

It is a negatively charged subatomic particle

It is a neutral (no electrical charge) subatomic particle

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a neutron?

It is a positively charged subatomic particle

It is a negatively charged subatomic particle

It is a neutral (no electrical charge) subatomic particle

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

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36 questions

What is matter?

What is the main difference between John Dalton's and J.J. Thomson's models of an atom?

What does it mean - subatomic particles?

Choose 3 main subatomic particles of an atom from the list below.

What is an electron?

What is a proton?

What is a neutron?

Who discovered the electron?

What is the electrical charge of an electron?

What is the electrical charge of a proton?

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