Thomson's Plum Pudding Model of the Atom
JJ Thomson proposed the first model of the atom with subatomic structure. He had performed a series of experiments and was credited with the discovery of the first sub-atomic particle, the...
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So the word atom means uncuttableso the Greeks were thinking of it as a tiny hard sphere Phil: that's right Derek: and even up until the eighteenhundred's that was the idea of an atom, the smallest piece of matter, a tiny hard spherebut then we find out that that's not quite rightnot quitethere were experiments in the eighteen hundreds that discovered the electron, JJ Thomson'sexperimentsreally worked out the electron wassmaller than an atom, about 1000 times smaller than a hydrogen atomand it was in all atomsthat's right, not just hydrogenwhatever material he did his experiments on he found there was electrons in themthere are electrons in an all atomsso I guess when you find something smaller than an atom you need to propose a ne...
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So the word atom means uncuttableso the Greeks were thinking of it as a tiny hard sphere Phil: that's right Derek: and even up until the eighteenhundred's that was the idea of an atom, the smallest piece of matter, a tiny hard spherebut then we find out that that's not quite rightnot quitethere were experiments in the eighteen hundreds that discovered the electron, JJ Thomson'sexperimentsreally worked out the electron wassmaller than an atom, about 1000 times smaller than a hydrogen atomand it was in all atomsthat's right, not just hydrogenwhatever material he did his experiments on he found there was electrons in themthere are electrons in an all atomsso I guess when you find something smaller than an atom you need to propose a ne...
