plum pudding model
plum pudding model proper noun: 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.
Proper noun
the plum pudding model
- 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.
Origin of plum pudding model
The electrons are viewed as negatively-charged "plums" in a positively-charged "pudding".
Questions about plum pudding model
- What does plum pudding model mean?
- Plum pudding model means 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.
- What part of speech is plum pudding model?
- Plum pudding model is a proper noun.
Words near plum pudding model in the dictionary
Source and license
Adapted from Wiktionary: plum pudding model (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.
Last updated:
Cite this entry: “plum pudding model.” Word.ws, https://word.ws/plum_pudding_model. Based on Wiktionary, CC BY-SA 4.0.
