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BY THE GOLD FOIL EXPERIMENT . IN THAT EXPERIMENT ALMOST ALL THE THE a-particles CROSSED THE GOLD FOIL THUS THE +ve REGION OCCUPIES VERY LESS SPACE.
IF YOU WANT TO SEE THE IMAGE OF GOLD FOIL EXPERIMENT PLEASE OPEN THE FOLLOEING LINK: https://reich-chemistry.wikispaces.com/file/view/gold_foil.gif
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Who discovered the positive charge of a nucleus?
Ernest Rutherford is credited with discovering the positive charge of a nucleus through his famous gold foil experiment in 1909. This experiment showed that most of the mass and positive charge of an atom is concentrated in a small, dense nucleus at its center.
Rutherfords alpha scattering experiment showed that the charge on the nucleus of the atom must be?
Rutherford's alpha scattering experiment showed that the charge on the nucleus of the atom must be positive because the alpha particles were deflected by the concentrated positive charge in the nucleus.
What main feature of Thomson atomic model was charged after Rutherford discoveries?
The main feature of Thomson's atomic model that was changed after Rutherford's discoveries was the location of the positive charge in the atom. Rutherford discovered that the positive charge was concentrated in a small nucleus at the center of the atom, rather than being spread out evenly throughout the atom as Thomson had proposed.
How did the discovery by Rutherford change Thomson's theory?
Rutherford's discovery of the nucleus in an atom challenged Thomson's "plum pudding" model, which suggested that the positive charge and electrons were dispersed evenly throughout the atom. Rutherford's experiment showed that the positive charge was concentrated in a small, dense nucleus, with electrons orbiting around it. This led to a new understanding of the atom's structure and the development of the nuclear model.
Is positive charge spread equally over an atom?
No, positive charge is concentrated in the nucleus of an atom, which contains protons. Electrons, carrying negative charge, are located in energy levels surrounding the nucleus. The positive charge of the protons is concentrated at the center of the atom.
Who atomic model determined that an atoms positive charge is concentrated in the atoms center?
The Rutherford model proposed that an atom's positive charge is concentrated in a dense center called the nucleus. This model was based on the famous gold foil experiment conducted by Ernest Rutherford in 1909.
What scientist concluded the nucleus of an atom contains a dense center of positive charge?
Ernest Rutherford is the scientist who concluded that the nucleus of an atom contains a dense center of positive charge. This conclusion was based on the results of his famous gold foil experiment in which he observed the scattering of alpha particles. Rutherford's discovery revolutionized the understanding of atomic structure and laid the foundation for the development of the modern atomic model.
Why was Rutherford's gold foil experiment successful?
Rutherford's gold foil experiment was successful because it demonstrated that atoms have a concentrated nucleus with a positive charge. By observing how alpha particles scattered off the gold foil, Rutherford concluded that atoms are mostly empty space with a small, dense nucleus at the center.
Who discovered the positive charge of a nucleus?
Ernest Rutherford is credited with discovering the positive charge of a nucleus through his famous gold foil experiment in 1909. This experiment showed that most of the mass and positive charge of an atom is concentrated in a small, dense nucleus at its center.
Which component of the atom is not represented in Rutherford's atomic molecule?
When Rutherford discovered the positive charge in an atom was concentrated in the nucleus, the neutron had yet to be discovered. There are no neutrons in Rutherford's model.
Rutherfords alpha scattering experiment showed that the charge on the nucleus of the atom must be?
Rutherford's alpha scattering experiment showed that the charge on the nucleus of the atom must be positive because the alpha particles were deflected by the concentrated positive charge in the nucleus.
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 main feature of Thomson atomic model was charged after Rutherford discoveries?
The main feature of Thomson's atomic model that was changed after Rutherford's discoveries was the location of the positive charge in the atom. Rutherford discovered that the positive charge was concentrated in a small nucleus at the center of the atom, rather than being spread out evenly throughout the atom as Thomson had proposed.
How did the discovery by Rutherford change Thomson's theory?
Rutherford's discovery of the nucleus in an atom challenged Thomson's "plum pudding" model, which suggested that the positive charge and electrons were dispersed evenly throughout the atom. Rutherford's experiment showed that the positive charge was concentrated in a small, dense nucleus, with electrons orbiting around it. This led to a new understanding of the atom's structure and the development of the nuclear model.
Is positive charge spread equally over an atom?
No, positive charge is concentrated in the nucleus of an atom, which contains protons. Electrons, carrying negative charge, are located in energy levels surrounding the nucleus. The positive charge of the protons is concentrated at the center of the atom.
What did Rutherford call the region that deflected the alpha particles?
Rutherford called the region in the gold foil experiment that deflected alpha particles the "nucleus." He discovered that the positive charge and most of the mass of an atom were concentrated in this small, dense region.
Describe Rutherford's Model of the atom?
Rutherford's model of the atom consisted of a positively charged center, known as NUCLEUS, which also contained most of the atom's mass. Around the nucleus orbited the negatively charged electrons.
