Matching

1. made of two protons and two neutrons neutrino

2. similar to an electron; positive charge alpha

3. orbits nucleus; negative charge meson

4. bundle of energy; zero charge beta

5. found in nucleus; positive charge electron

6. very unstable; +, -, or zero charge proton

7. found in nucleus; zero charge gamma

8. negative particle; negative charge neutron

9. atomic energy converted to mass positron

The answer to your question is: 1. made of two protons and two neutrons alpha 2. similar to an electron; positive charge positron 3. orbits nucleus; negative charge electron 4. bundle of energy; zero charge neutrino 5. found in nucleus; positive charge proton 6. very unstable; +, -, or zero charge meson 7. found in nucleus; zero charge neutron 8. negative particle; negative charge beta 9. atomic energy converted to mass gamma