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Questions and Answers
Who developed the plum pudding model of the atom?
Who developed the plum pudding model of the atom?
- J.J. Thomson (correct)
- John Dalton
- Niels Bohr
- Ernest Rutherford
What does the Heisenberg's Uncertainty Principle state?
What does the Heisenberg's Uncertainty Principle state?
- Electrons move in defined orbits at fixed distances from the nucleus.
- It is impossible to know the exact position and momentum of an electron simultaneously. (correct)
- The position of an electron is fixed within a specific radius around the nucleus.
- The energy levels of electrons are quantized.
What is the probable location of an electron in an atom according to the electron cloud model?
What is the probable location of an electron in an atom according to the electron cloud model?
- An area where the electron is likely to be found based on its energy. (correct)
- A fixed and predictable orbit around the nucleus.
- An area of high electron density within the nucleus.
- A specific point with a definite distance from the nucleus.
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