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प्रश्न
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`
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उत्तर
p = proton
n = neutron
e = electron
Superscript number : These superscript number show their mass number
Subscript number : These numbers show their atomic number
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संबंधित प्रश्न
Name the subatomic particle whose relative charge is : +1
What is the absolute mass and charge of a proton?
(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?
Why are anode rays also called as 'canal rays'?
How does cathode ray differ from as anode rays?
What is the significance of the number of protons found in the atoms of different elements?
Define: Electron
Represent an electron ‘e’ in term of its symbol showing the subscript and superscript value.
Name or state the following.
Two elements having the same number of protons and electrons but a different number of neutrons.
An atom is electrically neutral. Give reason.
