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Question
Define the term Nucleons.
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Solution
The protons and neutrons collectively are known as nucleons.
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number of valence electrons present in magnesium is
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What do you mean by electron transition?
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What is the charge on a neutron ?
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Write a note on valence shell.
Fill in the blank of the following statement :
The electron has _________ charge, the proton has _________ charge, and the neutron has _________ charge.
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.
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`""_1"H"^1`, `""_0"n"^1`,`""_(-1)"e"^0`
