What are the 2 opposite things about antiparticles?
their charge and quantm numbers
The antiparticle of an electron is
a positron
The antiparticle of a proton is
an antiproton
Antiparticle of a neutron is
an antineutron
How does annihilation occur?
when a particle and an antiparticle collide/meet
What is the formula for the energy of a photon?
1/2(2 x rest energy + EK of particle + Ek of antiparticle)