Discovery of the Proton & Neutron (OCR GCSE Physics A, Combined (Gateway Science Suite)): Quizzes
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Practise the questions
10 questions from this quiz
In which year did John Dalton propose the spherical model of the atom?
In which year did John Dalton propose the spherical model of the atom?
1803
What did Dalton's spherical model suggest about atoms?
What did Dalton's spherical model suggest about atoms?
They can't be broken into smaller parts
Who discovered the electron in 1909?
Who discovered the electron in 1909?
JJ Thomson
In the plum pudding model, where were electrons located?
In the plum pudding model, where were electrons located?
In a positively charged sphere
What particles did Rutherford fire at gold foil in his 1909 experiment?
What particles did Rutherford fire at gold foil in his 1909 experiment?
Positively charged alpha particles
What did most alpha particles do when fired at the gold foil?
What did most alpha particles do when fired at the gold foil?
Went straight through the foil
What happened to a small percentage of alpha particles in Rutherford's experiment?
What happened to a small percentage of alpha particles in Rutherford's experiment?
They were scattered in different directions
In which year did Rutherford identify the proton?
In which year did Rutherford identify the proton?
1917
What did Rutherford conclude about the mass of an atom?
What did Rutherford conclude about the mass of an atom?
Concentrated in a small, dense nucleus
What charge did Rutherford conclude the nucleus has?
What charge did Rutherford conclude the nucleus has?
Positive charge