Ncert Solutions Chemistry Class 11th Chemistry Class 11th Structure of Atoms

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

13 Views | Posted 3 months ago

1 Answer

Answered by

alok kumar singh | Contributor-Level 10

3 months ago

Heavy metals have a heavy nucleus and contain a large amount of positive change in their nucleus. By using heavy metals like gold and platinum in Rutherford’s experiment, a large number of α-particles get deflected and experience a repulsion thus finding it hard for these α-particles to retrace their path.

If a thin foil of lighter atoms like aluminium were used in the Rutherford’s experiment, the obstruction offered to the path of the fast moving α-particles would be comparatively quite less. As a result, the number of α-particles deflected will be quite less and the particles which are deflected bac

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