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The 'raisin pudding' model of the atom is more traditionally called the 'plum pudding model'.
The plums represented negatively charged corpuscles (electrons) surrounded by a positively charged pudding.
The plum pudding model became outdated in 1909 - 1911 when experiments showed that the positively charged atoms were extremely small.
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Why is plum-pudding and raisin bread a good comparison when talking about JJ Thomson's model of the atom?
Plum pudding and raisin bread are good comparisons for Thomson's model of the atom because both posit a positively charged "pudding" with negatively charged "raisins" embedded within, similar to Thomson's idea of the atom having a "sea" of positive charge with electrons scattered throughout. This analogy helps to illustrate the distribution of charge within the atom proposed by Thomson.
What does the raisins represent in the plum pudding model of the atom?
In the plum pudding model of the atom, the "raisins" represent the negatively charged electrons dispersed throughout a positively charged "pudding" or matrix. This model, proposed by J.J. Thomson in 1904, suggests that the electrons are embedded within a diffuse cloud of positive charge, balancing the overall neutrality of the atom. The arrangement depicts the idea of electrons being spread out rather than contained in fixed orbits, as later models would suggest.
Who said atom is like a raisin bun?
The idea that an atom is like a raisin bun was proposed by physicist J.J. Thomson in his "plum pudding model" of the atom in 1904. He suggested that atoms consist of a positively charged "batter" with negatively charged electrons (the "raisins") embedded throughout. This model was an early attempt to describe the structure of the atom before the discovery of the nucleus.
What are the key structural features of Thomson's 'Plum pudding' model?
Thompson's plum pudding model was that the raisin were negatively charged (electrons) and that the rest of the pudding positively charged.
What did the pudding represent in the plum pudding model?
Thomson's plum pudding model is the model of an atom in which an atom is regarded as a sphere of size 10^(-10)m radius and positively charged matter in which electrons were embedded. Thomson used the pudding as the positive charge and the plums as the negative charge. The plums are stuck in the pudding just as electrons are randomly found in an atom.
What is the nickname for Thompson's atomic model?
The nickname for Thompson's atomic model is the "plum pudding model." This model suggests that atoms are made up of a positively charged "pudding" with negatively charged electrons embedded within it, resembling plums in a pudding.
In Thomas plum pudding model of the atom the plugs represent?
The plugs represent the electrons.
In Thomson's plum pudding model what do the plums represent?
The plums represent the electrons, which has a negative charge.
In Thomson and plum-pudding model of the atom the plums represent?
The plums represent negative electrons
In thomson's raisin-bun model what were the electrical charges on the raisins buns?
The charges were the negative charges of the electrons surrounding the nucleus of the atom.
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.
Who proposed the plum-pudding model of the atom?
J J Thomson
