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Questions and Answers
Who proposed the existence of atoms since the time of early Indian and Greek philosophers?
Who proposed the existence of atoms since the time of early Indian and Greek philosophers?
- Plato
- Socrates
- Democritus (correct)
- Aristotle
Which atomic model describes the atom as a positively charged nucleus surrounded by electrons in specific orbits?
Which atomic model describes the atom as a positively charged nucleus surrounded by electrons in specific orbits?
- Bohr atomic model (correct)
- Rutherford atomic model
- Dalton atomic model
- Thomson atomic model
Who discovered the electron?
Who discovered the electron?
- Niels Bohr
- J.J. Thomson (correct)
- John Dalton
- Ernest Rutherford
Which principle states that each electron occupies the lowest energy orbital available?
Which principle states that each electron occupies the lowest energy orbital available?
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What is the unit of energy that is proportional to the frequency of the radiation?
What is the unit of energy that is proportional to the frequency of the radiation?
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