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Rutherford's gold foil experiment showed that the atom is mostly empty space with a tiny, dense, positively-charged nucleus. Based on these results, Rutherford proposed the nuclear model of the atom.
What experimental evidence led Rutherford to conclude that a the nucleus of the atom contain most of the atomic mass?
The Rutherford Gold Foil Experiment offered the first experimental evidence that led to the discovery of the nucleus of the atom as a small, dense, and positively charged atomic core.
What experimental evidence led Rutherford to conclude that an atom has a nucleus and is mostly empty space *?
The alpha particle scattering experiment, Geiger-Marsden experiment and the Rutherford gold foil experiment are names attributed to the trials that led Ernest Rutherford to conclude that the nucleus in an alpha particle is small and positively charged.
What did Rutherford’s experiment prove about the atomic nucleus?
The gold-foil experiment showed that the atom consists of a small, massive, positively charged nucleus with the negatively charged electrons being at a great distance from the centre.
What experimental evidence supports the nucleus of an atom is positive?
Rutherford's gold foil experiment showed that atoms have a small, dense, positively charged nucleus; the positively charged particles within the nucleus are called protons.
Why did Rutherford conclude that atoms contain a nucleus?
Rutherford concluded that atoms contained nuclei based on the refraction of alpha particles when passed through a thin sheet of gold foil.
What observations led Rutherford and his coworkers to the conclusion that the atom has a massive and positively charged part?
Rutherford found that a small percentage of alpha particles were deflected at large angles, which could be explained by an atom with a very small, dense, positively-charged nucleus at its center (bottom).
What did Rutherford conclude in his model of the atom?
He concluded that all of the positive charge and the majority of the mass of the atom must be concentrated in a very small space in the atom's interior, which he called the nucleus. The nucleus is the tiny, dense, central core of the atom and is composed of protons and neutrons.
Which observation led Rutherford to this conclusion?
State the observations in alpha-particle scattering experiment which led Rutherford to make the following conclusions: (i)Most of the space in an atom is empty. (ii)Whole mass of an atom is concentrated in its centre. (iii) Centre is positively charged.
What did Rutherford conclude from his experiment?
Rutherford's gold foil experiment showed that the atom is mostly empty space with a tiny, dense, positively-charged nucleus. Based on these results, Rutherford proposed the nuclear model of the atom.
