This site uses cookie tracking technologies. Learn more in our Cookie Policy.

IB Physics E.1 Structure of the Atom Questionbank

Question

HLPaper 1A

View answer

In the Bohr model, which of the following best describes the motion of electrons?

A

Electrons spiral into the nucleus due to energy loss

B

Electrons accelerate but do not emit radiation in stable orbits

C

Electrons radiate continuously while in an orbit

D

Electrons move randomly in probability clouds

Question

SLPaper 1A

Which of the following is a feature of both the Rutherford model and the Bohr model?

SLPaper 2

The Rutherford alpha scattering experiment led to a major change in the model of the atom.

(a)

State the name of the particles used in the scattering experiment.

[1]

(b)

Outline the main conclusions about atomic structure drawn from the experiment.

[2]

(c)

HLPaper 1A

In a hydrogen atom, the energy of an electron in the $n=3$ state is $-1.51\ \mathrm{eV}$ and in the $n=2$ state is . What is the momentum of the photon emitted in the transition?

HLPaper 1A

Which of the following transitions in hydrogen will emit the photon with the greatest energy?

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.

Get instant solutions, detailed explanations, and build confidence with questions aligned to IB examiner expectations.

Identify the type of force that caused deflections of the particles.

[1]

(d)

Suggest one reason why the model of the atom changed after this experiment.

[1]

n=

2