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प्रश्न
What is a proton? State its relative mass and charge.
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उत्तर
Protons are the fundamental particles in an atom that carry one unit positive charge and have a mass, which is almost equal to that of a hydrogen atom. The relative mass of a proton is 1 U. The relative charge of a proton is +1.
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संबंधित प्रश्न
Name the positively charged particle present in the atoms of all the elements.
What is a proton? How does it differ from a neutron?
Which sub-atomic particle was discovered by Goldstein.
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 |
Explain in brief the experimental proof which led to the discovery of –
Protons
Represent a proton ‘p’ in term of its symbol showing the subscript and superscript value.
Represent a neutron ‘n’ in term of its symbol showing the subscript and superscript value.
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.
The nature of anode rays depends upon ______.
