what is electron capture?
an atomic electron interacts with a proton in the nucleus via the weak interaction, a neutron is formed
what role does an exchange particle play in an interaction?
transfers Energy and force
what is one characteristic of a strange particle that makes it different from a particle that is not strange
contains a strange quark
what is the charge of a proton?
1.6 x 10^-19
what is are 2 properties of a virtual photon?
1, massless 2, doesn’t carry a charge