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प्रश्न
Define: Neutron
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उत्तर
Neutrons = n = is a subatomic particle found in the nucleus of the atom, having no charge, mass = mass of 1 proton.
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संबंधित प्रश्न
What is the positive charge on the nucleus of an atom due to?
Name the subatomic particle whose relative charge is : +1
What is the absolute mass and charge of a proton?
What is a proton? How does it differ from a neutron?
(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'?
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 |
Define: Electron
Explain in brief the experimental proof which led to the discovery of –
Protons
Write the properties of anode rays.
