Michael was having dinner with his family on the occasion of Christmas. When it was the time for
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studied concepts.
dessert, Michael became curious. When he saw that the dessert was plum pudding, he became
happy because he had learned about a similar term in his chemistry class on that day.
13.1 Correlate the plum pudding with hat Michael studied in his chemistry class.
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13.2 Why did the name "plum pudding" originate?
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13.3 Give the postulates of the model discussed here.
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13.4 Give one drawback of the atomic model .
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13.1 Correlation of the plum pudding with what Michael studied in his chemistry class is as follows:-
In chemistry class, Michael studied the model of atom proposed by J.J. Thomson- "plum pudding model"
13.2 The name "plum pudding" originate because:-
The model states that the in an atom, the negatively charged electrons are surrounded by a sphere of positive charge just as the the plums are embedded in a pudding.
13.3 Postulates of the model are as follows:-
- An atom consists of a positively charged sphere and negatively charged electrons are embedded in it.
- The positive and negative charges are equal in magnitude so the atom as a whole is electrically neutral.
13.4 Drawback of the atomic model
It failed to explain the stability of the atom as how a positive charge sphere can hold negatively charged electrons in an atom.
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