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NCERT Class XII Chapter
NCERT Class XII Chapter
Atoms
Questions With Solutions
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Choose the correct alternative from the clues given at the end of each statement : (a) The size of the atom in Thomson’s model is _____ the atomic size in Rutherford’s model. (Much greater than / no different from / much less than). (b) In the ground state of _____ electrons are in stable equilibrium, while in _____ electrons always experience a net force. (Thomson’s model / Rutherford’s model). (c) A classical atom based on _____ is doomed to collapse. (Thomson’s model / Rutherford’s model) (d) An atom has a nearly continuous mass distribution in a _____ but has a highly non-uniform mass distribution in _____ (Thomson’s model / Rutherford’s model). (e) The positively charged part of the atom possesses most of the mass in_____ (Rutherford’s model / both the models).
Solution:
(a) not different from (b) Thomson’s model, Rutherford’s model (c) Rutherford’s model (d) Thomson’s model, Rutherford’s model (e) both the models
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