Question

According to the standard model of the fundamental particles, what are the similarities between quarks and leptons? What are the most important differences?

Short answer

See answer below

Step-by-step solution

Determine the similarities between quarks and leptons

• Both quarks and leptons are elementary particles.

• They both are fermions.

Determine the differences between quarks and leptons

• Leptons have an integer charge of $\raisebox{1ex}{$Q$}\!\left/ \!\raisebox{-1ex}{$e$}\right.$whereas quarks have$\frac{+1}{3}$ or $\frac{+2}{3}$.

• Leptons interact by the weak interaction whereas quarks interact by the strong force.