Atoms & Isotopes (AQA GCSE Physics): Quizzes
📚Quizzes
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11 questions from this quiz
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Practise the questions
11 questions from this quiz
Who proposed the spherical model of the atom in 1803?
Who proposed the spherical model of the atom in 1803?
John Dalton
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
Which scientist discovered the electron?
Which scientist discovered the electron?
JJ Thomson
In the plum pudding model, where are electrons located?
In the plum pudding model, where are electrons located?
Randomly in a positive sphere
In which year did Ernest Rutherford conduct the gold foil experiment?
In which year did Ernest Rutherford conduct the gold foil experiment?
1909
What particles did Rutherford fire at the gold foil?
What particles did Rutherford fire at the gold foil?
Positively charged alpha particles
What happened to most alpha particles in Rutherford's experiment?
What happened to most alpha particles in Rutherford's experiment?
They went straight through the foil
What did the scattered alpha particles suggest about the atom?
What did the scattered alpha particles suggest about the atom?
It has small positive charges
Which particle did Rutherford identify in 1917?
Which particle did Rutherford identify in 1917?
Proton
What did Rutherford conclude about the nucleus?
What did Rutherford conclude about the nucleus?
It is small, dense and central
What model of the atom do we use today?
What model of the atom do we use today?
Nuclear model