Rutherford changed Thomson's model of the atom because his gold foil experiment showed that most of the atom's mass and positive charge were concentrated in a small, dense nucleus. This contradicted Thomson's "plum pudding" model, in which positive charge was thought to be evenly distributed throughout the atom.
The purpose of the Rutherford experiment was to investigate the structure of the atom. By bombarding a thin gold foil with alpha particles and observing their scattering patterns, Rutherford discovered that atoms have a small, positively charged nucleus at the center surrounded by mostly empty space with electrons orbiting around it. This experiment revolutionized our understanding of atomic structure.
Ernest Rutherford's results did not fit with J.J. Thomson's view of the atom. While Thomson proposed the "plum pudding" model with evenly distributed positive charge throughout the atom, Rutherford's gold foil experiment showed that the positive charge is concentrated in the nucleus at the center of the atom, with electrons orbiting around it.
Thomson's experiment showed that atoms contain subatomic particles, specifically electrons. This discovery led to the modification of Dalton's atomic model, which previously considered atoms to be indivisible and uniform. Thomson's model proposed the existence of electrons within the atom.
JJ Thomson's 1904 model was called the "plum pudding model." This model described the atom as a sphere of positive charge with electrons embedded throughout, like plums in a pudding. It was later replaced by the more accurate Rutherford model.
JJ Thomson's model of the atom is called the "plum pudding model." It suggested that atoms were made up of positive and negative charges distributed throughout a neutral, positively-charged background.
Rutherford supposed that the atom had a central positive nucleus surrounded by negative electrons.
The Rutherford model involve a positive nucleus separated from electrons.
atoms
Rutherford's model was similar to Thomson's model in that both described atoms as having a positively charged center (nucleus) surrounded by negatively charged electrons. However, Rutherford's model differed in that he proposed that the majority of an atom's mass and positive charge was concentrated in the nucleus, with electrons orbiting around it, while Thomson's model suggested that the positive charge was uniformly distributed throughout the atom.
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.
The purpose of the Rutherford experiment was to investigate the structure of the atom. By bombarding a thin gold foil with alpha particles and observing their scattering patterns, Rutherford discovered that atoms have a small, positively charged nucleus at the center surrounded by mostly empty space with electrons orbiting around it. This experiment revolutionized our understanding of atomic structure.
Ernest Rutherford's results did not fit with J.J. Thomson's view of the atom. While Thomson proposed the "plum pudding" model with evenly distributed positive charge throughout the atom, Rutherford's gold foil experiment showed that the positive charge is concentrated in the nucleus at the center of the atom, with electrons orbiting around it.
Thomsons model is sometimes called the plum pudding model as he envisaged a soup of positive charge with negative charges, by then already called electrons swimming round. He came up with this idea in 1904."the atoms of the elements consist of a number of negatively electrified corpuscles enclosed in a sphere of uniform positive electrification"Rutherford following on from the famous scattering experiment with gold foil and alpha particles proposed that the positive charge was concentrated in a central nucleus.
Thomson's experiment showed that atoms contain subatomic particles, specifically electrons. This discovery led to the modification of Dalton's atomic model, which previously considered atoms to be indivisible and uniform. Thomson's model proposed the existence of electrons within the atom.
Rutherford's model of the atom, known as the nuclear model, proposed that atoms have a small positively charged nucleus with electrons orbiting around it. This model revolutionized the understanding of atomic structure and laid the foundation for the development of quantum mechanics. It also led to further discoveries such as the existence of subatomic particles within the nucleus.
JJ Thomson's 1904 model was called the "plum pudding model." This model described the atom as a sphere of positive charge with electrons embedded throughout, like plums in a pudding. It was later replaced by the more accurate Rutherford model.
Ernest Rutherford's gold foil experiment showed that atoms have a small, dense, positively charged nucleus at the center, with most of the atom being empty space. This led to the development of the nuclear model of the atom, overturning the previous plum pudding model and suggesting that electrons orbit the nucleus.