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Question
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?
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Solution
When a perforated cathode is used in a discharge tube, another set of rays travelling in the direction opposite to that of the cathode rays is seen. These rays are called anode rays. Formation of anode rays tells about the presence of protons in all the atoms.
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RELATED QUESTIONS
What is a proton? State its relative mass and charge.
(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?
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`
Complete the table given below
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No. of protons |
No. of electrons |
No. of Neutrons |
Atomic Number |
Mass number |
| `""_17^35"CI"` |
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| `""_17^37"CI"` |
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Explain the following:
Mass of an atom is concentrated inside the nucleus of the atom.
Define: Proton
Define: Electron
Name or state the following.
Two elements having the same number of protons and electrons but a different number of neutrons.
A proton can be defined as a ______.
The nature of anode rays depends upon ______.
