Fundamental Particles (AQA A-Level Chemistry): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
In which year did John Dalton propose his atomic theory?
In which year did John Dalton propose his atomic theory?
1803
What subatomic particle did J.J. Thomson discover in 1897?
What subatomic particle did J.J. Thomson discover in 1897?
Electron
What was Thomson's 'plum pudding' model of the atom?
What was Thomson's 'plum pudding' model of the atom?
Positive sphere with embedded electrons
Which experiment led Rutherford to discover the nuclear model of the atom?
Which experiment led Rutherford to discover the nuclear model of the atom?
Gold foil experiment
What particle did James Chadwick discover in 1932?
What particle did James Chadwick discover in 1932?
Neutron
In the quantum mechanical model, how are electrons described?
In the quantum mechanical model, how are electrons described?
Probability clouds (orbitals)
What is the relative charge of a neutron?
What is the relative charge of a neutron?
0
Why is most of an atom's mass concentrated in the nucleus?
Why is most of an atom's mass concentrated in the nucleus?
Electron mass is negligible
What holds protons together in the nucleus despite positive repulsion?
What holds protons together in the nucleus despite positive repulsion?
An extremely powerful force
What is the relative mass of a proton?
What is the relative mass of a proton?
1