Nuclear Physics 1 RR

How many neutrons does U-238 have?

• 146
• 144
• 138
• 150

Which model of the atom is the current model?

• Thomson's plum pudding model

• Bohr model
• Rutherford model
• Dalton's atomic model

Protons and neutrons are...

• Hadrons

• Fermions

• Baryons

• Nucleons

Which fundamental force are protons and neutrons subject to?

• Strong nuclear force
• Gravitational force
• Weak nuclear force
• Electromagnetic force

Nuclear binding energy can be calculated from the...

• total mass of the nucleus
• energy levels of electrons
• nuclear decay rates
• mass defect of a nucleus

Which model of the nucleus accurately predicts fission behaviour?

• Electron cloud model

• Shell model
• Geometric model
• Liquid drop model

Which model of the nucleus accurately predicts nuclear stability?

• Liquid drop model
• Shell model
• Electron cloud model

• Geometric model

Which of these is NOT true about nuclides with magic numbers of nucleons?

• They have higher neutron absorption cross sections

• They are more abundant

• They are more stable

• They are spherical in shape

Which of these is NOT a primordial nuclide?

• Uranium

• Plutonium

• Technetium

• Bismuth

Which quark arrangement can be found in a proton?

• One up quark and two down quarks (udd)
• Two down quarks and one up quark (udd)
• Two up quarks and one down quark (uud)
• Three up quarks (uuu)