NEC51 - Particles Quiz

Which model of the atom contained electrons in a sea of positive charge?

• Rutherford model
• Quantum mechanical model
• Bohr model
• Plum pudding model

Rutherford's gold foil experiments led to the discovery of the...

• nucleus of the atom
• electron cloud
• proton
• neutron

Which model of the atom is the one that is currently accepted?

• Bohr's model

• Dalton's model
• Thomson's model

• Rutherford's model

How many neutrons are in a uranium-238 atom? (Atomic number = 92)

• 146
• 150
• 92
• 140

Particles subjected to the strong interaction are called...

• leptons
• hadrons
• quarks
• bosons

Fundamental matter particles are called...

• Baryons

• Fermions

• Bosons

• Hadrons

Protons and neutrons are...

• Hadrons

• Baryons

• Nucleons

• Leptons

How many quarks do baryons have?

• 4
• 2
• 3
• 1

What arrangement of quarks do protons have?

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

Elementary particles that do not undergo strong interactions are called...

• quarks
• leptons
• bosons
• hadrons