Discovery of the atom (Edexcel GCSE Physics Combined Science): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What did the Greeks believe about atoms?
What did the Greeks believe about atoms?
Tiny spheres that cannot be divided
In Thomson's plum pudding model, what are electrons embedded in?
In Thomson's plum pudding model, what are electrons embedded in?
A ball of positive charge
What type of particles did Rutherford fire at gold foil in 1909?
What type of particles did Rutherford fire at gold foil in 1909?
Alpha particles
What did Rutherford use as the target in his scattering experiment?
What did Rutherford use as the target in his scattering experiment?
Thin sheet of gold foil
What happened to most alpha particles in Rutherford's experiment?
What happened to most alpha particles in Rutherford's experiment?
Went straight through
What did alpha particles bouncing straight back indicate about the atom?
What did alpha particles bouncing straight back indicate about the atom?
Mass is concentrated in the centre
In Bohr's model, what are the orbits of electrons called?
In Bohr's model, what are the orbits of electrons called?
Energy levels or shells
What particle did James Chadwick prove the existence of?
What particle did James Chadwick prove the existence of?
Neutron
What two particles are found in the nucleus in the current atomic model?
What two particles are found in the nucleus in the current atomic model?
Protons and neutrons
Who discovered that electrons can be removed from atoms?
Who discovered that electrons can be removed from atoms?
J.J. Thomson