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प्रश्न
Goldstein's experiments which involved passing high voltage electricity through gases at very low pressure resulted in the discovery of :
विकल्प
electron
proton
nucleus
neutron
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उत्तर
protons
Goldstein’s experiment, which involved passing high-voltage electricity through gases at very low pressure, resulted in the discovery of protons.
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संबंधित प्रश्न
What is the nature of the charge on Anode rays?
Complete the table given below
|
|
No. of protons |
No. of electrons |
No. of Neutrons |
Atomic Number |
Mass number |
| `""_17^35"CI"` |
|
|
|
|
|
| `""_17^37"CI"` |
|
|
|
|
|
Explain the following:
Mass of an atom is concentrated inside the nucleus of the atom.
Define: Proton
Explain in brief the experimental proof which led to the discovery of –
Protons
Is it possible for the atom of an element to have one electron, one proton and no neutron. If so, name the element.
In response to a question, a student stated that in an atom, the number of protons is greater than the number of neutrons, which in turn is greater than the number of electrons. Do you agree with the statement? Justify your answer.
Complete the Table on the basis of information available in the symbols given below
- `""_17^35"Cl"`
- `""_6^12"C"`
- `""_35^81"Br"`
| Element | np | nn |
A proton can be defined as a ______.
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