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प्रश्न
Explain in brief the experimental proof which led to the discovery of –
Protons
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उत्तर
Protons: Since atoms are electrically neutral there must be equal positively charged particles in the atom. This led to the discovery of the protons.
Goldstein discovered protons. He used a perforated disc as a cathode and found positively charged rays travelling in the opposite direction to cathode rays.
These were protons i.e. positively charged particles, 1837 times heavier than an electron.
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संबंधित प्रश्न
What is the absolute mass and charge of a proton?
There are two species represented as 35Cl and 37Cl. Which of the following statement is correct regarding these species ?
Name the sub-atomic particle whose charge is +1.
Complete the table given below
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No. of protons |
No. of electrons |
No. of Neutrons |
Atomic Number |
Mass number |
| `""_17^35"CI"` |
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| `""_17^37"CI"` |
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