Discovery of the Proton & Neutron (OCR GCSE Physics A (Gateway Science Suite)): Quizzes
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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
How were electrons arranged in the plum pudding model?
How were electrons arranged in the plum pudding model?
Randomly 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?
Alpha particles
What happened to most alpha particles in Rutherford's gold foil experiment?
What happened to most alpha particles in Rutherford's gold foil experiment?
They went straight through the foil
What did the scattering of some alpha particles suggest?
What did the scattering of some alpha particles suggest?
Small positive charges exist in the atom
In which year did Rutherford identify the proton?
In which year did Rutherford identify the proton?
1917
Where did Rutherford conclude the mass of an atom is concentrated?
Where did Rutherford conclude the mass of an atom is concentrated?
In a small, dense central nucleus
What charge did Rutherford conclude the nucleus has?
What charge did Rutherford conclude the nucleus has?
Positive