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The Rutherford model was the model that showed the discovery of a positively charged nucleus. In this model, proposed by Ernest Rutherford in 1911, he suggested that atoms have a dense, positively charged nucleus at the center, with electrons orbiting around it. This model provided evidence for the nuclear nature of the atom.
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What did Rutherford discover about atom structure?
Rutherford oversaw the gold foil experiment. This experiment showed that the atom is mostly empty space and that most of its mass is concentrated in a tiny central core called the atomic nucleus.
What 3 important things did Ernest Rutherford experiment results show?
Ernest Rutherford's experiment results showed that atoms have a small, positively charged nucleus at the center. He also discovered that most of the atom's mass is concentrated in the nucleus, and that electrons orbit the nucleus in a mostly empty space.
Who was the scientist that showed existence of the nucleus?
Ernest Rutherford was the scientist who demonstrated the existence of the atomic nucleus through his famous gold foil experiment in 1909. He discovered that atoms have a small, dense core at their center that contains positively charged particles which he named protons.
What scientist showed that most of the mass and positive charge of an atom is concentrated in its center?
Ernest Rutherford demonstrated through his famous gold foil experiment that atoms have a dense, positively charged nucleus at their center. Most of the mass and positive charge of an atom is concentrated in this nucleus, with electrons orbiting around it.
What subatomic particles did Rutherford discover in 1919?
Rutherford discovered the proton in 1919 during his gold foil experiment. This experiment showed that atoms have a dense, positively charged nucleus at their center. Rutherford's findings revolutionized the understanding of atomic structure.
Rutherfords gold foil experiment showed that the atomic nucleus is?
very small relative to size of whole atomextremely densehighly positively charged
Who is the scientist that discovered atoms contained a nucleus?
Ernest Rutherford is the scientist who conducted the gold foil experiment in 1909, which led to the discovery that atoms contain a nucleus at their center. This experiment showed that the nucleus is small and positively charged, while the rest of the atom is mostly empty space.
How did the discovery of the nucleus change Thomson's theory?
The discovery of the nucleus showed that atoms are not indivisible as Thomson had previously suggested. It led to the development of the new atomic model proposed by Rutherford, which included a dense, positively charged nucleus at the center with electrons orbiting around it. This model replaced Thomson's "plum pudding" model of the atom.
What did Rutherford scattering experiment reveal about atoms?
The Rutherford scattering experiment showed that atoms have a tiny, positively charged nucleus at their center surrounded by mostly empty space. This experiment led to the discovery of the atomic nucleus and helped establish the model of the atom as mostly empty with a dense nucleus at its core.
Rutherford's experiments led to the discovery of the?
Rutherford's experiments led to the discovery of the atomic nucleus. Through his gold foil experiment, he found that atoms have a small, dense, positively charged nucleus at their center and that the rest of the atom is mostly empty space. This discovery revolutionized our understanding of atomic structure.
What did the Gold Foil Experiment prove?
The Gold Foil Experiment, conducted by Ernest Rutherford, proved the existence of the atomic nucleus. The experiment showed that most of the atom's mass and positive charge is concentrated in a small, dense nucleus at the center of the atom. This discovery revolutionized our understanding of atomic structure.
What scientist's experiment led to the discovery of protons?
There are two scientists. Goldstein is the first person that found it.
What did Rutherford picture an atom as?
Rutherford pictured an atom as a small, dense, positively charged nucleus surrounded by orbiting electrons. He proposed this nuclear model based on his gold foil experiment, which showed that most of the atom's mass and positive charge is concentrated in the nucleus.
How did gold foil experiment show that there is a nucleus in the atom?
The gold foil experiment showed that there is a nucleus by how the alpha particles(positively charged particles) were deflected and changed course by the foil. It showed that the atom is made of mostly empty space because most particles went through the foil. Some of the particles though were deflected to the sides of the container around the foil and some where even reflected back at the light almost. Rethurford (or however you spell is name lol search it) theorized that there is a small nucleus that is positively charged that some particles came close to and were deflected away because the nucleus had an effect on them. Some particles hit the nucleus exactly and were reflected back only because it was positively charged if it had been negativly charged it wouldn't have went back to the light.
Which observations helped Rutherford determine that atoms have tiny dense positively charged nuclei?
A+ answer: A few of the alpha particles in his expeirment were deflected from the gold foil at large angles. Scattering pattern of alpha particles 'shot' at a thin gold foil. Most went straight thru showing the nucleus was very small. Analysis of the scattering showed electrical repulsion, not that the particles actually hit the nucleus and bounced off.
How did the discovery of electrons shows that there are also positively charged parts of the atom?
The discovery of electrons by J.J. Thomson provided evidence for the existence of positively charged particles in the atom because atoms were found to be electrically neutral overall. Thomson's experiments with cathode rays showed that electrons carried a negative charge, leading to the conclusion that there must be positively charged particles in the atom to balance the negative charge of the electrons.
Why was existence of a tiny massive and positively charged nucleus was deduced from the observations?
Why or how? The number of alpha particles deflected was small ... indicating the nucleus was small. The deflection of an even smaller amount of alpha particles almost straight back toward the emitting source proved that the nucleus was heavier than the alpha particle. According to previous atomic theory, the alpha particles should have all gone straight through the metal foil, with none deflected. Math calculations based on the deflection pattern showed that the nucleus was repelling the alpha particles, that they were not actually hitting and bouncing off the nucleus... this showed that the nucleus was positively charged.
