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प्रश्न
What is a proton? How does it differ from a neutron?
उत्तर
A proton is a positively charged particle found in the atoms of all elements.
Protons carry a positive charge, whereas neutrons are neutral.
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संबंधित प्रश्न
Which subatomic particle was discovered by : Goldstein ?
What is a proton? State its relative mass and charge.
All the gases from cathode rays anode rays when electricity is passed through them :
What does the formation of anode rays tell us about the atoms?
Complete the table given below by identifying P, Q, R and S.
|
Element |
Symbol |
No. of Protons |
No. of neutrons |
No. of Electrons |
|
Sodium |
`""_11^23"NA"` |
11 |
P |
11 |
|
Chlorine |
`""_17^35"CI"` |
Q |
18 |
17 |
|
Uranium |
R |
92 |
146 |
92 |
|
S |
`""_9^19"F"` |
9 |
10 |
9 |
What is the significance of the number of protons found in the atoms of different elements?
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.
Explain in brief the experimental proof which led to the discovery of –
Protons
Represent an electron ‘e’ in term of its symbol showing the subscript and superscript value.
The nature of anode rays depends upon ______.
