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प्रश्न
Is it possible for the atom of an element to have one electron, one proton and no neutron. If so, name the element.
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उत्तर
Yes, hydrogen has one electron, one proton and no neutron. It is represented as `""_1^1"H"`.
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संबंधित प्रश्न
(a) What are cathode rays? What is the nature of charge on cathode rays?
(b) Explain how, cathode rays are formed from the gas taken in the discharge tube.
(c) What conclusion is obtained from the fact that all the gases from cathode rays?
What is the nature of the charge on Anode rays?
Why are anode rays also called as 'canal 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`
Define: Proton
An atom differs from its ion in ______.
A proton can be defined as a ______.
The nature of anode rays depends upon ______.
