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I need a picture of the plumb pudding model and a little information on it.
- Zac Martin (age 16)
The plum pudding model of the atom came before we understood that
atoms had nuclei or even neutrons. At that point, all they knew was
that atoms had a positively charged part and negatively charged parts.
In this model, the positive part was like the 'pudding' - basically a
round glob of positively charged stuff. The negative parts were the
'plums' - little points of negative charge scattered through the
'pudding.' Some people refer to the plum pudding model as the
'chocolate chip cookie model' for reasons that I think you can guess:
(republished on 07/21/06)
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