An atom contains just three types of subatomic particles: • the proton, which is massive and has a positive charge, • the neutron, which has a mass close to that of the proton and has no charge, and • the electron, which is light and has a negative charge.
Smart Science® Education provides schools with affordable digital science labs.
Our virtual science labs help schools implement science education they may not otherwise be able to provide due to budgetary or staffing limitations.
