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Questions and Answers
What sub-atomic particle did J.J. Thomson identify in 1900?
What sub-atomic particle did J.J. Thomson identify in 1900?
- Neutron
- Canal rays
- Proton
- Electron (correct)
Who discovered the presence of positively charged radiations known as canal rays?
Who discovered the presence of positively charged radiations known as canal rays?
- Ernest Rutherford
- J.J. Thomson
- E. Goldstein (correct)
- Niels Bohr
What is the charge of a proton?
What is the charge of a proton?
- Plus one (correct)
- Plus two
- Zero
- Minus one
What is the charge of an electron?
What is the charge of an electron?
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Based on the text, what is the mass of a proton relative to that of an electron?
Based on the text, what is the mass of a proton relative to that of an electron?
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