Related Essays

  • Atomic Model Controversy

    Thomson, Ernest Rutherford, Niels Bohr, and more. But, Werner and Erwin discovered electrons moved in unpredictable ways, and could only be explained by intr...

  • John Dalton Research Paper

    Thomson discovered the electron, but was mistaken in the plum pudding model. Rutherford discovered the nucleus. Bohr explained electron orbits. DeBroglie exp...

  • Atoms: Negatively Charged Particles

    According to his experiments, his team shot a positively charged beam at a gold foil, if Thomson’s model was correct, the ball of positive charges won’t be a...

  • Niels Bohr And The Theory Of The Atom

    As technology progressed so did the curiosity of the human on the theory of what made the universe. J.J. Thomson then changed the way in which atoms were und...

  • Enrico Fermi: The Father Of The Atomic Bomb

    Then in 1927, Fermi applied his method to the electrons that revolved around the nucleus which created a simple model of the atom and allowed atomic properti...

  • Research Paper On Atomic Theory

    He used the concept of electrons circling around a nucleus in orbitals to create the planetary model. Today, the modern atom model is the cloud model. The ...

  • 9th Grade Research Paper

    In 1896 I had the opportunity to go to America give four lectures based on my researches. They were later published as Discharge of Electricity through Gas...

  • Quantum Atomic Theory Research Paper

    Thomson was the next major innovator of the quantum atomic model. Thomson’s quantum atomic model is known as the Plum Pudding Model. Thomson theorized that n...

  • Thomson's Gold Foil Experiment

    Thomson proposed that the electrons, which are negatively charged, were small particles contained within a positively charged sphere. The model of this was k...

  • How Did Thomson Contribute To The Development Of The Electron

    In 1897, J.J. Thomson discovered the electron by experimenting with a Crookes, or cathode ray, tube. He demonstrated that cathode rays were negatively charge...

  • Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

Card Range To Study

through

image

Play button

image

Play button

image

Progress

1/5

Click to flip

Use LEFT and RIGHT arrow keys to navigate between flashcards;

Use UP and DOWN arrow keys to flip the card;

H to show hint;

A reads text to speech;

5 Cards in this Set

  • Front
  • Back

Solid Sphere Model

John Dalton in 1803


atoms are indivisible


atom atomos

Plum Pudding Model

J.J Thomson in 1904


discovered electrons in 1897


scattered electrons in a positive cloud

Nuclear Model

Ernest Rutherford in 1911


Gold Foil fired alpha


most positive in center or nucleus

Planetary Model

Niels Bohr in 1913


electrons moved around the nucleus


proposed stable electron orbits

Quantum Model

Erwin Schrodinger in 1926


electrons move in waves


widely accepted