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प्रश्न
Define: Electron
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उत्तर
Electron = e = is subatomic particle revolving around the nucleus of an atom having
unit – ve charge, mass = 1/1840 of 1 hydrogen atom, and the number of electrons = number of protons.
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संबंधित प्रश्न
Fill in the blank of the following statement :
The anode rays obtained from hydrogen gas consist of particles called ________
What is the absolute mass and charge of a proton?
There are two species represented as 35Cl and 37Cl. Which of the following statement is correct regarding these species ?
Name the gas which produces anode rays consisting of protons in the discharge tube experiment.
How does cathode ray differ from as anode rays?
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
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.
