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प्रश्न
Name the negatively charged particle present in the atoms of all the elements.
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उत्तर
Electron (symbol: e−) is the negatively charged particle present in the atoms of all elements.
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संबंधित प्रश्न
Give the following a suitable word/phrase
The sub-atomic particle with negative charge and negligible mass.
Give the following a suitable word/phrase
Arrangement of electrons in the shells of an atom.
Give the following a suitable word/phrase.
The smallest unit of an element which takes part in a chemical reaction.
Multiple Choice Questions
number of valence electrons present in magnesium is
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?
Explain the rule with example according to which electrons are filled in various energy levels
Fill in the blank of the following statement :
The electron has _________ charge, the proton has _________ charge, and the neutron has _________ charge.
State its one drawback of Rutherford’s atomic model.
With reference to the discovery of the structure of an atom, explain in brief – William Crookes experiment for the discovery of cathode rays, followed by – J.J. Thomsons experiment pertaining to the constituents of the cathode rays. State which sub-atomic particle was discovered from his experiment.
