Atomic Models

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•
Chemistry
•
10th - 12th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the probable location of electrons according to the wave mechanical model?
Back
Orbital
2.
FLASHCARD QUESTION
Front
Who discovered the electron using the cathode-ray tube?
Back
Thomson
3.
FLASHCARD QUESTION
Front
In the Bohr model, what are the regions where electrons exist called?
Back
Energy levels
4.
FLASHCARD QUESTION
Front
What electron transition in an excited atom results in a release of energy?
Back
Fifth shell to second shell
5.
FLASHCARD QUESTION
Front
Which scientist proposed that atoms were hard spheres?
Back
Dalton
6.
FLASHCARD QUESTION
Front
What is the main idea of the wave mechanical model of the atom?
Back
Electrons are found in orbitals, which are regions of probability rather than fixed paths.
7.
FLASHCARD QUESTION
Front
What is the significance of the cathode-ray tube in atomic theory?
Back
It was instrumental in the discovery of the electron, leading to the development of modern atomic models.
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