The correct statements regarding Rutherford’s model of an atom are

a)      Concluded that the nucleus is positively charged.

b)     Prove that the alpha particles are four times in mass of a hydrogen atom.

c)      The model of the atom can be compared to the solar system.

d)     Agreed with Thompson’s model.

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a and c

a, b and c

a and d

a, c and d

answer is A.

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Detailed Solution

According to Rutherford’s model of an atom, the nucleus is positively charged and the model of the atom can be compared to the solar system.
Rutherford proposed an elemental atomic structure. He explained that an atom contains a positively charged particle and that the majority of an atom's mass is concentrated there. He also stated that negatively charged particles rotate around the nucleus and are attracted to each other by an electrostatic force. The atom, according to Ernest Rutherford, is mostly empty space, with nearly all of its mass concentrated in a tiny central nucleus. The nucleus is positively charged and is surrounded by negatively charged electrons at a great distance.

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