Question

1. Scattering of a particles by a thin gold
foil suggests the presence of
(a) electron in an atom
(b) proton in an atom
(c) positively charged nucleus at the
centre of an atom
d) isotopes or gold.​

Answer 1

Answer:

positively charged nucleus at the centre of an atom

Answer 2

Answer:

(c) positively charged nucleus at the centre of an atom