Curriculum
Course: IB Physics HL
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Curriculum

IB Physics HL

Theme A — Space, Time and Motion

0/125 Dr Dabour Hub Science Diagram and Course Material

Theme B — The Particulate Nature of Matter

0/105 Dr Dabour Hub Science Diagram and Course Material

Theme C — Wave Behaviour

0/73 Dr Dabour Hub Science Diagram and Course Material

Theme D — Fields

0/77 Dr Dabour Hub Science Diagram and Course Material

Theme E — Nuclear and Quantum Physics

0/89 Dr Dabour Hub Science Diagram and Course Material

Tools and Inquiry — IB Physics skills

0/43 Dr Dabour Hub Science Diagram and Course Material
Quiz

E.3.11 Nuclear Stability – Check yourself

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  • Questions count: 6
  • Passing grade: B+
  • Time limit: 10 minutes
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1.
Stable light nuclei have N approximately equal to...
0
Z
2Z
Z/2
2.
A nuclide above the stability band most likely decays by...
β+
alpha only
neutron absorption
β−
3.
Why do heavy stable nuclei have N > Z?
Neutrons add strong-force binding without electrostatic repulsion
Neutrons are heavier
Neutrons have positive charge
Protons decay
4.
Which nuclide is the heaviest stable one?
Uranium-238
Thorium-232
Bismuth-209 or lead-208 region
Radon-222
5.
Alpha emission is most typical of...
very large nuclei
small neutron-rich nuclei
proton-rich small nuclei
the lightest nuclei
6.
Magic numbers provide evidence for...
the weak force
the Bohr model of the atom
a shell structure of the nucleus
gravity in the nucleus
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Part of Theme E — Nuclear and Quantum Physics — see every lesson and quiz in this unit.
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