Practice IB Physics Topic E.1 Structure of the Atom with authentic exam-style questions for both SL and HL students. This question bank focuses on the exact syllabus content for E.1 Structure of the Atom and mirrors Paper 1A, 1B, 2 style where relevant.
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In the Bohr model, which of the following best describes the motion of electrons?
Which of the following is a feature of both the Rutherford model and the Bohr model?
The Rutherford alpha scattering experiment led to a major change in the model of the atom.
(a) the name of the particles used in the scattering experiment.
(b) the main conclusions about atomic structure drawn from the experiment.
(c) the type of force that caused deflections of the particles.
(d) one reason why the model of the atom changed after this experiment.
In a hydrogen atom, the energy of an electron in the state is and in the state is . What is the momentum of the photon emitted in the transition?
Which of the following transitions in hydrogen will emit the photon with the greatest energy?
Electrons spiral into the nucleus due to energy loss
Electrons accelerate but do not emit radiation in stable orbits
Electrons radiate continuously while in an orbit
Electrons move randomly in probability clouds
A nucleus composed of protons and neutrons
Electrons orbiting around the nucleus
Electrons in discrete energy levels
Electrons in orbitals around the nucleus
