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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.
WRITE SHORT ANSWER
What is an atom?
ANSWER IN DETAIL
What is the maximum number of electrons that L shell can accommodate ? Give reasons for your answer.
Draw the electronic configuration of the following elements clearly stating the number of neutrons and protons in their nucleus.
a. Beryllium b. Silicon
c. Chlorine d. Aluminium
e. Nitrogen
ANSWER IN DETAIL
Write a note on valence shell.
Which of the following statement is always correct?
Define the term Mass number.
Define the term Valence shell.
Explain how the modern atomic theory contradicted Dalton’s atomic theory.
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.
