1.7 Particle and Nuclear Structure

Leptons are __________ particles

Which of these particles are leptons? Tick all that apply

• Positrons

• Electrons

• Protons

• Neutrons

• Neutrinos

Hadrons are particles made up of ___________

Which of these particles are hadrons?

• Pion

• Electron

• Proton

• Neutron

• Neutrino

Baryons are made up of _________ quarks/antiquarks

____________ are made up of a quark-antiquark pair

What is the quark composition of a proton?

What is the quark composition of a delta minus particle?

 $\Delta^-$  

What is the lepton number of an electron antineutrino?

What is the baryon number of a pi meson (pion)?

 $\pi^+$