plum pudding model
What plum pudding model means in Chemistry GCSE, as defined for AQA.
Definitions of plum pudding model
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Reference: AQA
A model picturing the atom as a ball of positive charge with negative electrons embedded in it, so charge was spread evenly throughout.
A model in which the atom is a sphere of positive charge with negative electrons scattered through it, like fruit in a pudding.
A ball of positive charge with electrons embedded in it.
Topics that use plum pudding model
Related terms
- Acceptance of scientific models
- Alpha particle scattering
- Atomic number
- Development of the atomic model
- Discovery of the neutron
- Evidence and scientific explanation
- Evidence-based model change
- Experimental testing of models
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