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Questions and Answers
What did E. Goldstein discover in 1886?
What did E. Goldstein discover in 1886?
- Electrons
- Neutrons
- New radiations in a gas discharge (correct)
- Protons
What is the mass of a proton compared to an electron?
What is the mass of a proton compared to an electron?
- Approximately 5000 times more
- Approximately the same
- Approximately 100 times more
- Approximately 2000 times more (correct)
What is the charge of an electron?
What is the charge of an electron?
- Neutral
- Variable
- Negative (correct)
- Positive
How are protons and electrons represented?
How are protons and electrons represented?
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What was the big question regarding the structure of the atom?
What was the big question regarding the structure of the atom?
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What is the charge of a proton?
What is the charge of a proton?
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What was one of the first indications that atoms are not indivisible?
What was one of the first indications that atoms are not indivisible?
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What is the main focus of Chapter 4 in the text?
What is the main focus of Chapter 4 in the text?
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What is the primary purpose of the activities mentioned in the text?
What is the primary purpose of the activities mentioned in the text?
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Why was it known by 1900 that atoms are not indivisible?
Why was it known by 1900 that atoms are not indivisible?
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What was one of the major challenges before scientists in understanding the nature of charged particles?
What was one of the major challenges before scientists in understanding the nature of charged particles?
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What makes the atom of one element different from the atom of another element?
What makes the atom of one element different from the atom of another element?
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