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प्रश्न
The subatomic particle called electron was discovered by :
विकल्प
J.J. Thomson
Neils Bohr
James Chadwick
E. Goldstein
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उत्तर
J.J. Thompson
J.J. Thompson discovered electrons by conducting a cathode-ray experiment.
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संबंधित प्रश्न
State whether the following statement is true or false :
The cathode rays obtained from all the gases consist of negatively charged particles called electrons.
All the gases from cathode rays and anode rays when electricity is passed through them :What does the formation of cathode rays tell us about the atoms?
How does an electron differ from a neutron?
Which sub-atomic particle was discovered by Chadwick.
What are inert elements?
If electrons are getting added to en element Y; then
What charge will Y migrate to during the process of electrolysis?
Explain the following:
Atoms combine by transfer and sharing of an electron(s).
Give a simple diagram to show the arrangement of the electrons in an atom of sulphur.
Anode rays travel in straight lines.
An atom has a number of orbits and each orbit has protons.
