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Questions and Answers
Who identified the electron in the atom?
Who identified the electron in the atom?
J.J. Thomson
What did E. Goldstein discover in 1886, which ultimately led to the discovery of another sub-atomic particle?
What did E. Goldstein discover in 1886, which ultimately led to the discovery of another sub-atomic particle?
E. Goldstein discovered canal rays, which were positively charged radiations.
What is the charge and mass of a proton?
What is the charge and mass of a proton?
Charge: plus one, Mass: approximately 2000 times that of the electron
How is an electron represented?
How is an electron represented?
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What did J.J. Thomson propose about the structure of an atom?
What did J.J. Thomson propose about the structure of an atom?
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What is the charge and mass of an electron?
What is the charge and mass of an electron?
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What did the discovery of electrons and protons inside the atom lead to?
What did the discovery of electrons and protons inside the atom lead to?
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What were some of the questions that arose regarding atoms and molecules?
What were some of the questions that arose regarding atoms and molecules?
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What were the first indications that atoms are not indivisible?
What were the first indications that atoms are not indivisible?
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What was the major challenge before the scientists at the end of the 19th century?
What was the major challenge before the scientists at the end of the 19th century?
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What did E. Goldstein discover in 1886, which ultimately led to the discovery of another sub-atomic particle?
What did E. Goldstein discover in 1886, which ultimately led to the discovery of another sub-atomic particle?
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What is the charge and mass of a proton?
What is the charge and mass of a proton?
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Who identified the electron in the atom?
Who identified the electron in the atom?
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What did J.J. Thomson propose about the structure of an atom?
What did J.J. Thomson propose about the structure of an atom?
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What were the first indications that atoms are not indivisible?
What were the first indications that atoms are not indivisible?
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What did the discovery of electrons and protons inside the atom lead to?
What did the discovery of electrons and protons inside the atom lead to?
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What was the major challenge before the scientists at the end of the 19th century?
What was the major challenge before the scientists at the end of the 19th century?
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What did J.J. Thomson propose about the structure of an atom?
What did J.J. Thomson propose about the structure of an atom?
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Which aspect of Dalton’s atomic theory was affected by the discovery of electrons and protons inside the atom?
Which aspect of Dalton’s atomic theory was affected by the discovery of electrons and protons inside the atom?
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What did we learn in Chapter 3 about atoms and molecules?
What did we learn in Chapter 3 about atoms and molecules?
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