Structure of the Atom (HSC SSCE Physics): Quizzes
📚Quizzes
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10 questions from this quiz
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Practise the questions
10 questions from this quiz
In Thomson's plum pudding model, what did the 'pudding' represent?
In Thomson's plum pudding model, what did the 'pudding' represent?
A sphere of positive charge
What fraction of alpha particles were deflected back at angles greater than ?
What fraction of alpha particles were deflected back at angles greater than ?
1 in 8000
What do alpha particles consist of?
What do alpha particles consist of?
Two protons and two neutrons
According to Rutherford's model, where is nearly all the atom's mass located?
According to Rutherford's model, where is nearly all the atom's mass located?
In the nucleus
Why did some alpha particles deflect back at large angles?
Why did some alpha particles deflect back at large angles?
Direct collision with dense nucleus
Who directed Geiger and Marsden to conduct the alpha particle scattering experiment?
Who directed Geiger and Marsden to conduct the alpha particle scattering experiment?
Ernest Rutherford
According to Rutherford's model, what does most of the atom consist of?
According to Rutherford's model, what does most of the atom consist of?
Empty space
What problem did classical physics predict for Rutherford's orbiting electrons?
What problem did classical physics predict for Rutherford's orbiting electrons?
They should emit radiation & spiral in
What was John Dalton's model of the atom?
What was John Dalton's model of the atom?
Solid, indivisible spheres
At what angle were the surprising deflections observed in the Geiger-Marsden experiment?
At what angle were the surprising deflections observed in the Geiger-Marsden experiment?
Greater than