Nuclear Shapes and Sizes Quiz
Test your knowledge of nuclear shapes and sizes!
What school or college do you attend?
Approximately how many nuclei are known to exist?
What is the approximate size of an atom?
1 femtometer (fm)
0.1 nanometers (nm)
100 nanometers (nm)
What is the radius of a ⁶⁴Cu copper nucleus?
2.8 nanometers (nm)
4.8 femtometers (fm)
66 femtometers (fm)
What is the name of the radioactive ion beam facility at CERN that is used to study the properties of atomic nuclei?
The radium isotope ²²⁴Ra was produced at CERN in 2013 and it was shown to have what shape?
Pear shaped nucleus
Banana shaped nucleus
Orange shaped nucleus
In the Rutherford scattering experiment, alpha particles are fired at a gold foil and 99.9% of them pass straight through. However, 0.1% of the alpha particles bounce back. What are the main lessons that can be learned from the experiment?
The gold atoms are larger than the alpha particles
The atom is mostly hollow and inside it there is a structure more massive than the alpha particles
Alpha particles are very ionising.
At the IGISOL in Jyvaskyla, a beam of radioactive ions can be produced and sent through pipes to experiments. What is the half-life of the shortest-lived nuclei that can be studied?
What do we call a nucleus that looks like a rugby ball?
How can we measure nuclear sizes with lasers?
The laser makes the nucleons jump between energy levels
The nucleus causes diffraction of the laser beam
The laser makes the electrons jump between energy levels
An atomic nucleus that has its protons or neutrons arranged completely in their shells are more stable against radioactive decay. The special name given to these number of protons or neutrons in these type of nuclei is what?
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