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प्रश्न
Give the following a suitable word/phrase
The sub-atomic particle with negative charge and negligible mass.
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उत्तर
Electron- A sub-atomic particle with a negative charge and negligible mass.
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संबंधित प्रश्न
Give the following a suitable word/phrase
Arrangement of electrons in the shells of an atom.
What are the two main parts of which an atom is made of?
Tick the most appropriate answer.
How many times is a proton heavier than an electron?
- 1500
- 1800
- 1840
- none of these
WRITE SHORT ANSWER
Describe a discharge tube.
WRITE SHORT ANSWER
What do you mean by electron transition?
Why is an atom neutral inspite of the presence of charged particles in it?
The particle not present in an ordinary hydrogen atom is :
Name the sub-atomic particle whose charge is 0.
Define the term Nucleons.
Explain how the modern atomic theory contradicted Dalton’s atomic theory.
