Atomic Structure on Chemistry related Questions and Answers


Question :   The mass of electron as determined by J.J. Thomson is?
1. 9.1 X 10-31 kg.
2. 9.1 X 10-10gm
3. 9.1 X 10-25 kg
4. 9.1 X 10-18gm
Answer :   1 - 9.1 X 10-31 kg.  

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