Question

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Answer 1

Answer:

So please i want 100 pta 4 times please

Answer 2

Answer:

Chemistry

Step-by-step explanation:

1) As per Thomson's atomic model, An atom contains a positively charged sphere in which the negatively charged electrons are implanted. Electrons and protons are equal in magnitude, hence an atom on the whole is electrically neutral.

2) As per Rutherford’s model of an atom, the positively charged protons are the ones that are present in the atom.

3) Please follow the picture

4) If the α-scattering experiment is performed using a foil of a metal rather than gold, there would be no change in the observations. In the α-scattering experiment, a gold foil was taken because gold is a malleable and a thin foil of gold can be easily made than foils of other metals. It is difficult to make such foils from other metals.