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Questions and Answers
Which scientist made significant contributions to the development of the Atomic Theory?
Which scientist made significant contributions to the development of the Atomic Theory?
- Rutherford (correct)
- Democritus
- Bohr
- Einstein
How did Bohr's atomic theory differ from previous theories?
How did Bohr's atomic theory differ from previous theories?
- It proposed that electrons can exist in any energy level around the nucleus
- It proposed that protons have a positive charge
- It proposed that electrons have a negative charge
- It proposed that electrons can exist only in specific energy levels around the nucleus (correct)
Where is the location of the proton in an atom?
Where is the location of the proton in an atom?
- In the electron shell
- In the electron cloud
- In the nucleus (correct)
- Outside the nucleus
What is an isotope?
What is an isotope?
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Which of the following elements have isotopes?
Which of the following elements have isotopes?
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Which scientist made significant contributions to the development of the Atomic Theory?
Which scientist made significant contributions to the development of the Atomic Theory?
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What is the difference between shells and subshells?
What is the difference between shells and subshells?
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Which elements have isotopes?
Which elements have isotopes?
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What is the electronic configuration of the first 18 elements in the Periodic Table?
What is the electronic configuration of the first 18 elements in the Periodic Table?
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What did Democritus suggest about matter?
What did Democritus suggest about matter?
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