Match the following and i"ll give you the 1. colloid two or more elements that have chemically combined 2. compound neutral subatomic particle found in the nucleus of the atom 3. distillation positively charged, subatomic particle found in the nucleus of the atom 4. electron negatively charged, subatomic particle 5. isotope one of two or more atoms of the same element with different masses due to different numbers of neutrons 6. neutron separation of the components of a mixture based on boiling points 7. proton a heterogeneous mixture with small particles dispersed in another medium that are small enough to stay suspended but large enough to scatter light