Atomic Structure and Discoveries

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•
Chemistry
•
10th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
Who proposed the discovery of the nucleus?
Back
Ernest Rutherford
2.
FLASHCARD QUESTION
Front
What is the Planetary model of the atom?
Back
A model proposed by Niels Bohr, describing electrons orbiting the nucleus in fixed paths.
3.
FLASHCARD QUESTION
Front
Who discovered the electron?
Back
J.J. Thomson
4.
FLASHCARD QUESTION
Front
What model describes electrons as being located in a 'cloud' around the nucleus?
Back
The Wave Mechanical Model.
5.
FLASHCARD QUESTION
Front
Who proposed that electrons orbit the nucleus on fixed paths?
Back
Niels Bohr
6.
FLASHCARD QUESTION
Front
What is the Billiard Ball Model?
Back
An early model of the atom proposed by John Dalton, suggesting atoms are solid spheres.
7.
FLASHCARD QUESTION
Front
What does the Plum Pudding Model represent?
Back
A model proposed by J.J. Thomson, depicting the atom as a sphere of positive charge with electrons embedded in it.
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