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J.J. Thomson is credited with the discovery of the electron in about 1904. He envisioned negatively charged "corpuscles" floating in a positively charged cloud, just like plums in a plum pudding. This was the "plum pudding" model of the atom, and it lasted until Geiger and Marsden conducted their gold foil experiment in about 1909.
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What is the discovery of which particle proved that the atom is not indivisible?
protons
What is the difference between thomsons model and rutherfords model?
jj thos .. In 1904 proposed that an atom was a sphere of +ve electricity in which were embedded no of e-(ectron) sufficient 2 neutralize the +ve chrg the stability of the atom was ewplained as a result of the balace b/w the repulsive forces b/w the e- & their attraction toward the center of the +ve sphere . &compared with a "water melon" in which seeds r embedded or with a cake or pudding in which raisins are embedded Ruther fords ; 1 )there must be sufficient enpty space within the atom 2) or small +ve charge in center
The bohr model is an innaccurate model of the atom because there is no way to measure the exact of an electron in an atom?
It is an inaccurate model, because there is no way to measure the exact mass, path, and charge of an atom
Wave mechanical model of the atom?
mass number and atomic number of an atom
What was sir ernest Rutherford and Niels Bohr's most famous discovery?
Rutherford discovered that the atom has a nucleus, bohr's discovery is found on the Wikipedia Link further down this page.Few question and answers on Bohr's atomic modelThe basic assumption in Bohr's model of an atom is thatThe energy of electron is quantisedIn Bohr's model of the hydrogen atomthe radius of the nth orbit is propotional to n² the angular momentum of the electron in an orbit is an integral multiple of h/2λ the magnitude of potential energy of the electron in any orbit is greater than its K.E.
How did the discovery of polonium and radium affect the model of the atom?
The discoveries of radium and polonium doesn't affect the atom model.
How did Rutherfords model of the atom different from thomsons?
The Rutherford model involve a positive nucleus separated from electrons.
How does the current model of the atom differ from j.j. Thomsons model?
J.J. thomson's model doesn't have an electrons flowing around like how are planets orbit the sun. The current model has these things.
How does the current model of the atom differ from j.j Thomsons model?
J.J. thomson's model doesn't have an electrons flowing around like how are planets orbit the sun. The current model has these things.
In Thomsons Raisin Bun model what were the electrical charges on the bun and the raisins?
The charge of the negative charge of electrons surrounding the nucleus of the atom.
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.
What were J. J. thomsons ideas called?
J.J. Thomson's ideas were called the plum-pudding model. This model described how electrons were evenly distributed throughout the atom.
How did Rutherfords findings change Thomsons plum pudding model?
Rutherford supposed that the atom had a central positive nucleus surrounded by negative electrons.
What were Thomsons and rutherfords key discoverirs about the atom?
im awesome!
What was Thomson's model of the atomic atom?
according to jj thomsons model of an atom,an atom consists of a positively charged sphere with electrons in it.however,it was later found that positively charged particles reside at the center of the atom called nucleus,and the electrons revolve around the nucleus.
What discovery lead the scientists to question john daltons model of the atom and to favor jj Thomsons model?
The discovery of the electron by J.J. Thomson through his cathode ray tube experiment led scientists to question John Dalton's model of the atom. Thomson's observation of negatively charged particles in the cathode ray, along with their behavior under electric and magnetic fields, contradicted Dalton's indivisible and uniformly dense model of the atom. Thomson's model, proposing that atoms contain subatomic particles (electrons), gained favor due to its ability to explain these experimental findings.
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)
