Historical models of the atom (AQA GCSE Chemistry Combined Science): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
In the early model, how were atoms described?
In the early model, how were atoms described?
Tiny, solid spheres
What did the word 'atom' originally mean?
What did the word 'atom' originally mean?
Indivisible
What was the plum pudding model's structure?
What was the plum pudding model's structure?
Positive sphere with electrons inside
Which discovery led to the plum pudding model?
Which discovery led to the plum pudding model?
Electrons
What happened to most alpha particles in the scattering experiment?
What happened to most alpha particles in the scattering experiment?
They went straight through
What did the alpha particle experiment prove about atoms?
What did the alpha particle experiment prove about atoms?
They are mostly empty space
What is at the centre of an atom in the nuclear model?
What is at the centre of an atom in the nuclear model?
A tiny, positive nucleus
Where is most of an atom's mass located?
Where is most of an atom's mass located?
In the nucleus
What did Bohr add to the atomic model?
What did Bohr add to the atomic model?
Electrons orbit at specific distances
What are protons?
What are protons?
Positive particles in the nucleus
Who discovered neutrons?
Who discovered neutrons?
James Chadwick
Why was the discovery of neutrons important?
Why was the discovery of neutrons important?
Explained why atoms were heavier