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Who first Proposed the idea that atoms had positive and negative parts?
The idea that atoms had positive and negative parts was first proposed by J.J. Thomson in the late 19th century through his "plum pudding" model of the atom. Thomson suggested that atoms were composed of positive and negative charges distributed throughout a neutral sphere, like plums in a pudding.
Why did scientists know that atoms have positive charges?
A neutral atom has not an electrical charge; only cations have a positive charge. Using an electrochemical cell with two electrodes (anode and catode) you can determine the charge of ions in the solution.
How is Tho masons model different from Daltons?
Thomsons model (plum pudding model of negatively charged particles in a positive soup) differed from Daltons model. Dalton hypothesised that atoms were indivisible, the word atom comes from the Greek atomos cannot be cut)
Rutherford's experimental results led him to conclude that atoms contain massive central regions that have?
...a positive charge. He called these central regions the nucleus. This model laid the foundation for the modern understanding of atomic structure.
What is the conclusion of Thomson model?
The Thomson model, also known as the "plum pudding model," concluded that atoms are composed of a uniform positive charge with negatively charged electrons embedded within it, resembling a pudding with plums. This model suggested that the positive charge was spread throughout the atom, counterbalancing the negative charges of the electrons. However, it was later disproved by Rutherford's gold foil experiment, leading to the development of the nuclear model 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 is the name of he scientist that discovered that atoms have positive charges?
Ernest Rutherford was the scientist who discovered that atoms have positive charges through his gold foil experiment, which led to the development of the nuclear model of the atom.
How did Thompson's model differ from Daltons model?
Thompson's model proposed that atoms were made up of positive and negative charges distributed throughout a positively charged sphere, similar to a raisin pudding. In contrast, Dalton's model suggested that atoms were indivisible and uniform spheres with no internal structure. Thompson's model introduced the idea of subatomic particles, while Dalton's model viewed atoms as simple building blocks of matter.
Who first Proposed the idea that atoms had positive and negative parts?
The idea that atoms had positive and negative parts was first proposed by J.J. Thomson in the late 19th century through his "plum pudding" model of the atom. Thomson suggested that atoms were composed of positive and negative charges distributed throughout a neutral sphere, like plums in a pudding.
Why did scientists know that atoms have positive charges?
A neutral atom has not an electrical charge; only cations have a positive charge. Using an electrochemical cell with two electrodes (anode and catode) you can determine the charge of ions in the solution.
Where is 7 cylinder?
No year, make, model, or engine size and you expect an answer?No year, make, model, or engine size and you expect an answer?
How is Tho masons model different from Daltons?
Thomsons model (plum pudding model of negatively charged particles in a positive soup) differed from Daltons model. Dalton hypothesised that atoms were indivisible, the word atom comes from the Greek atomos cannot be cut)
What was JJ Thomsons model of the atom called?
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.
How was Rutherford's gold foil experiment inconsistent with the plum pudding model of the atom?
Rutherford's gold foil experiment disproved the plum pudding model by showing that atoms have a small, dense nucleus at their center, rather than being uniformly filled with positive charge. The experiment revealed that most of the alpha particles passed straight through the foil, indicating that atoms are mostly empty space with a concentrated positive charge at the center. This contradicted the plum pudding model, which proposed that positive charge was evenly distributed throughout the atom.
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What is a model that shows how the atoms are arranged in a molecule?
One model that shows how atoms are arranged in a molecule is the ball-and-stick model. In this model, atoms are depicted as balls and bonds between them as sticks. This provides a visual representation of the spatial arrangement of atoms within a molecule.
How was rutherfords model similar to thomsons model and how was it different?
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.
