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James Chadwick is primarily known for discovering the neutron in 1932, which refined the atomic model rather than proposing a complete atomic theory himself. His discovery addressed limitations in previous models by explaining the presence of mass in the nucleus without a charge, resolving issues about atomic stability and isotopes. However, Chadwick's work did not address the complexities of electron behavior or the quantum mechanical aspects of atomic structure, which later theories, like quantum mechanics, would explore in greater depth. Thus, while his contributions were crucial, they were part of an evolving understanding of atomic theory rather than a standalone theory with shortcomings.
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How did Rutherford's idea differ from Thomson's idea?
According to Thomson's atomic theory, the mass of an atom was special evenly throughout its volume. Errest Rutherford's experiment proved this wrong.
Was democritus theory correct?
The Greek philosopher Democritus formulated an atomic theory that everything was made up of indivisible tiny particles called atomos. He was wrong because atoms are divisible into subatomic particles.
What are five points of Daltons atomic theory and witch where proven wrong?
Dalton's atomic theory includes the following five points: 1) All matter is composed of indivisible atoms; 2) Atoms of the same element are identical in mass and properties; 3) Compounds are formed by the combination of different kinds of atoms; 4) A chemical reaction involves the rearrangement of atoms; 5) Atoms cannot be created or destroyed in a chemical reaction. However, points one and two were proven wrong; atoms are not indivisible (they can be split into subatomic particles) and isotopes show that atoms of the same element can have different masses.
What is bohr model quantum theory?
Bohr's theory is a theory that just states An early model of atomic structure, in which electrons circulate around the nucleus in discrete, stable orbits with different energy levels. This model was the first to predict and explain the atomic spectrum of the hydrogen atom, which arises as the electron jumps from one orbit to another orbit of lower energy, giving off electromagnetic radiation of predictable frequencies. Later models of atomic structure abandoned the idea of circular orbits, and explained the stable orbits as standing waves. Hope this helped, My name is, Estela this is wrong this is Thompson theory Where did you get these answers? These are really good.
What is the atomic number of alement?
First of all, you spelled "element" wrong. And to find the Atomic Number of an element, you look at the number on the top of the element in the Periodic Table. For example, Hydrogen is 1, 1 is its atomic number. The atomic number is also the number of protons and electrons in an element.
In what way does Dalton's theory differ from modern atomic theory?
he was wrong
What theory has passed many tests and has not been proven wrong?
Evolution, Atomic Theory
How was Thomsons atomic theory different from Rutherfords atomic theory?
According to Thomson's atomic theory, the mass of an atom was special evenly throughout its volume. Errest Rutherford's experiment proved this wrong.
How was Thomson's atomic theory differ from Rutherford atomic theory?
According to Thomson's atomic theory, the mass of an atom was special evenly throughout its volume. Errest Rutherford's experiment proved this wrong.
What was wrong with chadwicks theory?
Chadwick's theory, which proposed the existence of the neutron to explain atomic mass discrepancies, faced challenges regarding its implications for atomic structure and stability. While it successfully identified neutrons as neutral particles within the nucleus, it did not fully account for the forces at play in atomic nuclei, leading to questions about nuclear stability and the behavior of isotopes. Additionally, later developments in quantum mechanics and particle physics revealed more complexities in nuclear interactions that Chadwick's initial model did not address.
Which theory paved the way to uncovering nuclear fission which launched the first atomic bomb?
If you think its relativity you are wrong.
Who devised the first atomic theory?
I am almost sure it was Dalton but I may be wrong
What is the contribution of thales of miletus in the development of atomic theory?
The contribution of anyone prior to about 1600 to the development of atomic theory might as well be "nothing whatsoever." Democritus and/or Leucippus contributed the name "atomos", but not much else; they were wrong about nearly every detail. John Dalton is just about the earliest scientist to have had any significant contribution to atomic theory, and most of what we now consider atomic theory was developed since about 1900.
Was Truman wrong in dropping the atomic bomb?
Most think he was not wrong about dropping the atomic bombs.
How did Rutherford's idea differ from Thomson's idea?
According to Thomson's atomic theory, the mass of an atom was special evenly throughout its volume. Errest Rutherford's experiment proved this wrong.
Who proved the world is flat theory wrong?
Eratosthenes proved the world is flat theory wrong
What is grand unification theorem?
The Grand Unification Theory used to be called the Unified Field Theory. It is a search for a theoretical/mathematical framework that can account for and unite all the basic forces, and therefore be considered a Theory of Everything. Currently there are 2 important branches of physics which seem to contradict each other. General Relativity which explains the behaviour of big systems and Quantum Mechanics which explains the behaviour of small systems (atomic/sub-atomic.) If you apply the wrong theory for the size of system then predictions from the theory don't match experimental results. (i.e. The theory is wrong!) Many physisists think there is a theory that can adequately explain both of these systems but they haven't found it yet. Einstein spent his last years attempting to find it. He did not. M theory, a development of string theory is currently considered by many to be the best prospect for a Grand Unification Theory.
