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प्रश्न
What is a proton? State its relative mass and charge.
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
What is the absolute mass and charge of a proton?
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?
What is a proton? How does it differ from a neutron?
Goldstein's experiments which involved passing high voltage electricity through gases at very low pressure resulted in the discovery of :
How does cathode ray differ from as anode rays?
Name the sub-atomic particle whose charge is +1.
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`
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.
