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प्रश्न
Give the following a suitable word/phrase
Arrangement of electrons in the shells of an atom.
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उत्तर
Electron configuration is the distribution of electrons of an atom in various shells or orbits of the atom (K, L, M, etc.).
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संबंधित प्रश्न
Give the following a suitable word/phrase.
The electrons present in the outermost shell.
Mention briefly the salient features of Dalton’s atomic theory (five points)
FILL IN THE BLANK
The γ-rays are............................ radiations, like light.
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
WRITE SHORT ANSWER
What is an atom?
WRITE SHORT ANSWER
What is the charge on a neutron ?
ANSWER IN DETAIL
What is the maximum number of electrons that L shell can accommodate ? Give reasons for your answer.
Name the negatively charged particle present in the atoms of all the elements.
Compare a proton and a neutron in respect of mass and charge.
Name the three fundamental particles of an atom.
