plum pudding model

Questions

What does plum pudding model mean?

An obsolete scientific model of the atom, devised shortly after the discovery of the electron but before the discovery of the atomic nucleus, and according to which the atom is composed of electrons surrounded by a soup of positive charge to balance the electrons' negative charges. It was disproved in 1909.

Where does plum pudding model come from?

The electrons are viewed as negatively-charged "plums" in a positively-charged "pudding".

How to pronounce plum pudding model

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