Q. Who did first discover the electrons?
Top Answer
Solution:
Electrons were first discovered by J.J. Thomson in 1897.
• An electron is a subatomic particle with a (-) negative electric charge.
• It is found in the outer part of an atom, called the electron cloud.
Fathers of Neutron, Atom, Proton.
• Father of Neutron – James Chadwick in 1932.
• Father of Atom – John Dalton
• Father of Proton – Ernest Rutherford in 1919.
Related Links
- What is floating?
- What is sinking?
- Differences between real image and virtual image
- What is Sublimation?
- What is Evaporation?
- What is Freezing or Solidification?
- What is Condensation or Liquefaction?
- What is Vaporization or Boiling?
- What is Melting or Fusion?
- Reasons for using mercury in thermometers
- What are the several types of physical changes? Melting, Freezing, Evaporation, Condensation, Sublimation, Deposition.
- What is the Big Bang Theory?
- What is an ecosystem?
- What are the differences between an atom and a molecule?
- What is cloning?
- What is a magnet?
- What is the greenhouse effect?
- What is refraction?
- What are acids and bases?
- What is the periodic table?