Podcast
Questions and Answers
Who assumed that the atom is indivisible?
Who assumed that the atom is indivisible?
- John Dalton (correct)
- E. Rutherford
- E. Goldstein
- J.J. Thomson
What did E. Goldstein discover in 1866?
What did E. Goldstein discover in 1866?
- Presence of canal rays (correct)
- Presence of electrons
- Presence of protons
- Presence of neutrons
What led to the discovery of the sub-atomic particle called proton?
What led to the discovery of the sub-atomic particle called proton?
- Negatively charged canal rays
- Positively charged canal rays (correct)
- Neutral canal rays
- X-rays
Study Notes
The Early Understanding of Atoms
- Ancient Greek philosopher Democritus assumed that the atom is indivisible.
Early Discoveries
- In 1866, E. Goldstein discovered canal rays, also known as anode rays.
The Road to Subatomic Particles
- The discovery of canal rays by E. Goldstein led to the discovery of the subatomic particle called proton.
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Description
Test your knowledge of atomic structure and discovery of sub-atomic particles with this quiz. Learn about John Dalton's atomic theory, E. Goldstein's discovery of canal rays, and the identification of the proton.