State three features of the nuclear model of an atom put forward by Rutherford.
(N/A) $(i)$ There is a positively charged center in an atom called the nucleus. Nearly all the mass of an atom resides in the nucleus.
$(ii)$ The electrons revolve around the nucleus in well-defined orbits.
$(iii)$ The size of the nucleus is very small as compared to the size of the atom.
$(ii)$ The electrons revolve around the nucleus in well-defined orbits.
$(iii)$ The size of the nucleus is very small as compared to the size of the atom.
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$(a)$ Which popular experiment is shown in the figure?
$(b)$ List three observations of this experiment.
$(c)$ State conclusions drawn from each observation of this experiment.
$(d)$ State the model of atom suggested on the basis of the above experiment.
$(b)$ List three observations of this experiment.
$(c)$ State conclusions drawn from each observation of this experiment.
$(d)$ State the model of atom suggested on the basis of the above experiment.
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View SolutionAn atom of an element $X$ may be written as ${ }_{4}^{9} X$.
$(a)$ What does the figure $9$ indicate?
$(b)$ How many neutrons does this element $X$ contain?
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