Which one of the following particles in the nucleus of an atom was discovered by J. Chadwick?

Which one of the following is not explained by the Dalton's atomic theory?

Which one of the following findings is NOT observed in Rutherford's Nuclear Model of Atom ?

Which one of the following could not explained by Rutherford's nuclear model?

Which of the following carries a negative charge?

Which of the following statements are incorrect about the structure of an atom? (i) The atom as a whole is neutral. (ii) The atom is an indivisible particle. (iii) The whole mass of an atom is concen…