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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.
Give the following a suitable word/phrase.
The sum of the number of protons and neutrons of an atom.
Name three fundamental particles of the atom. Give the symbol with charge, on each particle.
What are the observations of the experiment done by Rutherford in order to determine the structure of an atom?
Tick the most appropriate answer.
Which of the following scientists observed that cathode rays consists of negatively charged particles?
- John Dalton
- J J Thomson
- James Chadwick
- Democritus
ANSWER IN DETAIL
What is the maximum number of electrons that L shell can accommodate ? Give reasons for your answer.
Why is an atom neutral inspite of the presence of charged particles in it?
Compare an electron and a proton in respect of mass and charge.
State its one drawback of Rutherford’s atomic model.
What is meant by the term subatomic particles?
