Models of the atom (AQA GCSE Physics): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
Who created the plum pudding model of the atom?
Who created the plum pudding model of the atom?
J.J. Thomson
What did the plum pudding model suggest about the structure of atoms?
What did the plum pudding model suggest about the structure of atoms?
Positive background with electrons scattered
What was the plum pudding model the first to include?
What was the plum pudding model the first to include?
Electrons
In the gold foil experiment, what happened to most alpha particles?
In the gold foil experiment, what happened to most alpha particles?
They went straight through
What did the gold foil experiment prove atoms contained?
What did the gold foil experiment prove atoms contained?
A tiny, dense, positive nucleus
What key feature did Rutherford's model show that the plum pudding model did not?
What key feature did Rutherford's model show that the plum pudding model did not?
Most of the atom is empty space
Who created the atomic model with electrons in specific energy levels?
Who created the atomic model with electrons in specific energy levels?
Niels Bohr
In Bohr's model, where can electrons orbit?
In Bohr's model, where can electrons orbit?
Only in specific energy levels
What can electrons do between energy levels in Bohr's model?
What can electrons do between energy levels in Bohr's model?
Jump if they gain or lose right energy
Why was Bohr's model accepted by scientists?
Why was Bohr's model accepted by scientists?
His maths matched experimental observations
When were neutrons discovered in relation to Rutherford's model?
When were neutrons discovered in relation to Rutherford's model?
About 20 years later
What causes atomic models to be updated or replaced?
What causes atomic models to be updated or replaced?
New experimental evidence emerges