Q. Who did discover protons first?
Top Answer
Solution:
Protons were first discovered by Ernest Rutherford in 1919.
• A proton is a subatomic particle with a positive (+) electric charge.
• It is found in the nucleus of an atom, along with neutrons.
• The number of protons in an atom’s nucleus is called the atomic number.
• The atomic number determines the chemical element of the atom.
Fathers of Electron, Atom, Neutron.
Father of Electron – Joseph John Thomson (J.J. Thomson)
Father of Atom – John Dalton
Father of Neutron – James Chadwick in 1932.
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
- While diluting an acid, why is it recommended that the acid should be added to water and not water to the acid?
- Why does dry HCl gas not change the colour of the dry litmus paper?
- Why should curd and sour substances not be kept in brass and copper vessels?
- 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?