Question

Match the Greek or English symbol to the atomic subunits. 1. β neutron 2. π gamma 3. ρ meson 4. η alpha 5. α proton 6. γ beta

Answer 1

Alpha decay. Two protons and two neutrons are lost from a nucleus when it emits an alpha particle. This means that: The atomic mass number decreases by 4.

Answer 2

1=Beta
2=Pmeson
3=??
4=Neutron
5=Alpha
6=Gamma