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प्रश्न
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.
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उत्तर
The given statement is not correct. As the number of protons is never greater than the number of neutrons. A number of neutrons can be equal to or greater than a number of protons but a number of protons are equal to a number of electrons for an atom since it is neutral.
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संबंधित प्रश्न
Which subatomic particle was discovered by : Goldstein ?
What is a proton? State its relative mass and charge.
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 |
Write down the names of the particles represented by the following symbols and explain the meaning of superscript and subscript numbers attached `""_1"p"^1, ""_0"n"^1,""_-1"e"^0`
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"` |
|
|
|
|
|
Define: Neutron
A proton can be defined as a ______.
Assertion: Proton can be defined as a hydrogen ion (H+).
Reason: These photons are produced when one electron is removed from one hydrogen atom.
An atom is electrically neutral. Give reason.
