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प्रश्न
Name the negatively charged particle present in the atoms of all the elements.
उत्तर
Electron (symbol: e−) is the negatively charged particle present in the atoms of all elements.
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संबंधित प्रश्न
Fill in the blank
Neutrons are .......................... particles having mass equal to that of protons.
Give the following a suitable word/phrase.
Protons and neutrons present in the nucleus.
Give the following a suitable word/phrase.
The electrons present in the outermost shell.
WRITE SHORT ANSWER
What is an atom?
WRITE SHORT ANSWER
Name the isotopes of hydrogen.
State whether the following statement is true or false :
The anode rays obtained from all the gases consist of positively charged particles called protons.
Compare an electron, a proton and a neutron in respect of their relative masses and charges.
Name the three fundamental particles of an atom.
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.
Explain in brief – Goldstein’s experiment which led to the discovery of the proton.
