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Question
Define: Electron
Solution
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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RELATED QUESTIONS
What is the positive charge on the nucleus of an atom due to?
(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?
Goldstein's experiments which involved passing high voltage electricity through gases at very low pressure resulted in the discovery of :
Name the gas which produces anode rays consisting of protons in the discharge tube experiment.
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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Represent a proton ‘p’ in term of its symbol showing the subscript and superscript value.
Represent an electron ‘e’ in term of its symbol showing the subscript and superscript value.
Write the properties of anode rays.
An atom is electrically neutral. Give reason.
The nature of anode rays depends upon ______.
