InRutherford rsquo-s experiment- generally the thin foil of heavyatoms- like gold- platinum etc- have been used to be bombarded by the alpha-particles- If the thinfoil of light atoms like aluminium etc- is used- what differencewould be observed from the above results-

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Standard IX

Chemistry

Electrons

InRutherford ...

Question

InRutherford’s experiment, generally the thin foil of heavyatoms, like gold, platinum etc. have been used to be bombarded by theα-particles. If the thinfoil of light atoms like aluminium etc. is used, what differencewould be observed from the above results?

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Solution

A thinfoil of lighter atoms will not give the same results as given withthe foil of heavier atoms.
Lighteratoms would be able to carry very little positive charge. Hence, theywill not cause enough deflection of α-particles(positively charged).

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In Rutherford’s experiment, generally the thin foil of heavy atoms, like gold, platinum etc. have been used to be bombarded by the α-particles. If the thin foil of light atoms like Aluminium etc. is used, what difference would be observed from the above results?

Q. In Rutherford's experiment, a thin gold foil was bombarded with alpha particles. According to Thomson's "plum-pudding" model of the atom, what should have happened?

Aluminium foil is used for packing food items like biscuits, chocolates etc because:

In 1911, the physicist Ernest Rutherford discovered that atoms have a tiny, dense nucleus by shooting positively charged particles at a very thin gold foil. A key physical property which led Rutherford to use gold was

(a) Which metal did Rutherford select for his $α$ particle scattering experiment and why?

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InRutherford’s experiment, generally the thin foil of heavyatoms, like gold, platinum etc. have been used to be bombarded by theα-particles. If the thinfoil of light atoms like aluminium etc. is used, what differencewould be observed from the above results?

A thinfoil of lighter atoms will not give the same results as given withthe foil of heavier atoms.Lighteratoms would be able to carry very little positive charge. Hence, theywill not cause enough deflection of α-particles(positively charged).

A thinfoil of lighter atoms will not give the same results as given withthe foil of heavier atoms.
Lighteratoms would be able to carry very little positive charge. Hence, theywill not cause enough deflection of α-particles(positively charged).