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Question
Which of the following are the postulates of Thomson’s model of an atom?
Options:
A .  An atom consists of a positively charged sphere and electrons are embedded in it.
B .  The negative and positive charges are equal in magnitude.
C .  An atom consists of a positively charged sphere and electrons are embedded in it, the positive and negative charges are equal in magnitude.
D .  An atom consists of a negatively charged sphere and neutrons are embedded in it.
Answer: Option C
:
C
Thomson proposed that :
1) An atom consists of a positively charged sphere and the electrons are embedded in it.
2) The negative and positive charges are equal in magnitude.
From above two we can say that the atom as a whole is electrically neutral.

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